Pickups Accessories & Parts

The Bartolini replacement mounting bracket for the AV3 soundhole pickup is ideal for installing the AV3 pickup in the soundhole of an acoustic guitar. It fits soundholes with a diameter of 3-1/2" to 4-1/2". The set includes all necessary screws and springs for easy installation. Please note that the pickup itself is not included. This bracket was specifically designed for the AV3 acoustic guitar pickup and ensures a secure and stable mounting in the soundhole.Mounting bracket for AV3 soundhole pickupfor installing the AV3 pickup in the soundholefits soundholes with a diameter of 3-1/2" - 4-1/2"includes screws and springspickup not included

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 2 potsclear transparent sound with very low distortionconfiguration: NTBT-918, 1 x volume pot, 1 x treble/bass pot (stacked) adjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 2 pots and bypass switch clear transparent sound with very low distortionconfiguration: NTBT-918, 1 x volume pot (p/p), 1 x treble/bass pot (stacked) active/passive (bypass) switching with push/pull volume potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

Upgrade your Ibanez GWB35 or GWB20th. The HR-2.2-IWB20 is the same preamp used in the Ibanez Gary Willis high-end basses. You can now get the same voice – especially if you upgrade the pickup to the Custom BC Shape 68BC5W-D3. The core is the NTBT, 2-band tone control preamp with fully independent Bass and Treble controls with special voicing for the GWB. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The preamp also features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A battery clip is included, but a jack is not. You can re-use the jack from your GWB35 or GWB20th.pre-wired 2-band preamp kit for electric bass with 2 potscustom voice upgrade for Ibanez GWB20 and GWB35 bassesclear transparent sound with very low distortionconfiguration: NTBT 2-band EQ, 1 x volume pot (push-pull for active/passive), 1 x treble /bass pot (stacked) adjustable gain up to 12 dBpre-wired for 9V operation (including battery clip)power supply via 1 x 9V battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. knobs, without jackWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 3 potsclear transparent sound with very low distortionconfiguration: NTBT-918, 1 x volume pot, 1 x treble pot, 1 x bass pot adjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"Warranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 3 pots and bypass switch clear transparent sound with very low distortionconfiguration: NTBT-918, 1 x volume pot (p/p), 1 x treble pot, 1 x bass pot active/passive (bypass) switching with push/pull volume potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"Warranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

Our most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is well known to professionals for its very low noise and wide boost and cut range for aggressive control. The voice is clear, transparent, and strong. The treble frequency is set high for maximum available brightness. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 3-band preamp kit for electric bass with 3 potsclear transparent sound with very low distortionswitchable center frequency for midsconfiguration: NTMB+F, 1 x volume pot, 1 x mids pot (p/p), 1 x treble/bass pot (stacked)250/800 Hz mid frequency switching with push/pull mids pot adjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

Our most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is well known to professionals for its very low noise and wide boost and cut range for aggressive control. The voice is clear, transparent, and strong. The treble frequency is set high for maximum available brightness. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 3-band preamp kit for electric bass with 3 pots and bypass switch clear transparent sound with very low distortionswitchable center frequency for midsconfiguration: NTMB+F, 1 x volume pot, 1 x mids pot (p/p), 1 x treble/bass pot (stacked)250/800 Hz mid frequency switching with push/pull mids potactive/passive (bypass) switching with push/pull volume potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

Our most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is well known to professionals for its very low noise and wide boost and cut range for aggressive control. The voice is clear, transparent, and strong. The treble frequency is set high for maximum available brightness. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness, except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 3-band preamp kit for electric bass with 4 pots clear transparent sound with very low distortionswitchable center frequency for midsconfiguration: NTMB+F, 1 x volume pot, 1 x mids pot (p/p), 1 x treble, 1 x bass pot250/800 Hz mid frequency switching with push/pull mids potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"Warranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

Our most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is well known to professionals for its very low noise and wide boost and cut range for aggressive control. The voice is clear, transparent, and strong. The treble frequency is set high for maximum available brightness. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness, except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 3-band preamp kit for electric bass with 4 pots and bypass switchclear transparent sound with very low distortionswitchable center frequency for midsconfiguration: NTMB+F, 1 x volume pot (p/p), 1 x mids pot (p/p), 1 x treble, 1 x bass pot250/800 Hz mid frequency switching with push/pull mids potactive/passive (bypass) switching with push/pull volume potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"Warranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 3 potsclear transparent sound with very low distortionconfiguration: NTBT-918, 1 x neck volume pot, 1 x bridge volume pot, 1 x treble/bass pot (stacked) adjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 3 pots and bypass switch clear transparent sound with very low distortionconfiguration: NTBT-918, 1 x neck volume pot (p/p), 1 x bridge volume pot, 1 x treble/bass pot (stacked) active/passive (bypass) switching with push/pull neck volume potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 3 potsclear transparent sound with very low distortionconfiguration: NTBT-918, 1 x volume pot, 1 x blend pot, 1 x treble/bass pot (stacked) adjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 3 pots and bypass switch clear transparent sound with very low distortionconfiguration: NTBT-918, 1 x volume pot (p/p), 1 x blend pot, 1 x treble/bass pot (stacked) active/passive (bypass) switching with push/pull volume potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

Our most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is well known to professionals for its very low noise and wide boost and cut range for aggressive control. The voice is clear, transparent, and strong. The treble frequency is set high for maximum available brightness. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 3-band preamp kit for electric bass with 3 potsclear transparent sound with very low distortionswitchable center frequency for midsconfiguration: NTMB+F, 1 x neck/bridge volume pot (stacked), 1 x mids pot (p/p), 1 x treble/bass pot (stacked)250/800 Hz mid frequency switching with push/pull mids pot adjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The Bartolini HR-4.1/918 Pre-Wired Preamp is a high-quality preamp solution designed specifically for bass guitars and is characterized by its outstanding sound quality and ease of use. This pre-wired system allows for easy installation and offers musicians the ability to optimize their sound with ease. Equipped with a variety of features, the HR-4.1/918 preamp offers precise tone control that allows you to customize treble, midrange and bass. The high-quality components ensure a clear, dynamic sound with excellent response and transparency, allowing you to exploit the full potential of your bass guitar. The pre-wired design makes installation child's play - simply install and get started straight away! The preamp is compatible with various pickup configurations and is suitable for both passive and active systems.Warranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 4 potsclear transparent sound with very low distortionconfiguration: NTBT-918, 1 x neck volume pot, 1 x bridge volume pot, 1 x treble pot, 1 x bass pot adjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"Warranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 4 pots and bypass switch clear transparent sound with very low distortionconfiguration: NTBT-918, 1 x neck volume pot (p/p), 1 x bridge volume pot, 1 x treble pot, 1 x bass pot active/passive (bypass) switching with push/pull neck volume potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"Warranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 4 pots and bypass switchJ-bass layoutclear transparent sound with very low distortionconfiguration: NTBT-918, 1 x neck volume pot (p/p), 1 x bridge volume pot, 1 x treble pot, 1 x bass pot active/passive (bypass) switching with push/pull neck volume potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"Warranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

The NTBT is a 2-band tone control preamp with fully independent Bass and Treble controls. The voice is clear, transparent, and strong with wide boost and cut range for aggressive control. The NTBT features an adjustable gain which allows you to boost the input signal up to 12dB while maintaining flat frequency response. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 2-band preamp kit for electric bass with 4 potsJ-bass layoutclear transparent sound with very low distortionconfiguration: NTBT-918, 1 x neck volume pot, 1 x bridge volume pot, 1 x treble pot, 1 x bass pot adjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"Warranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

Our most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is well known to professionals for its very low noise and wide boost and cut range for aggressive control. The voice is clear, transparent, and strong. The treble frequency is set high for maximum available brightness. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness, except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 3-band preamp kit for electric bass with 4 pots clear transparent sound with very low distortionswitchable center frequency for midsconfiguration: NTMB+F, 1 x neck volume pot, 1 x bridge volume pot, 1 x mids pot (p/p), 1 x treble/bass pot (stacked)250/800 Hz mid frequency switching with push/pull mids potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

Our most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is well known to professionals for its very low noise and wide boost and cut range for aggressive control. The voice is clear, transparent, and strong. The treble frequency is set high for maximum available brightness. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 3-band preamp kit for electric bass with 4 pots and bypass switchclear transparent sound with very low distortionswitchable center frequency for midsconfiguration: NTMB+F, 1 x neck volume pot (p/p), 1 x bridge volume pot, 1 x mids pot (p/p), 1 x treble/bass pot (stacked)250/800 Hz mid frequency switching with push/pull mids potactive/passive (bypass) switching with push/pull neck volume potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

Our most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is well known to professionals for its very low noise and wide boost and cut range for aggressive control. The voice is clear, transparent, and strong. The treble frequency is set high for maximum available brightness. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 3-band preamp kit for electric bass with 4 pots and bypass switchJ-bass layoutclear transparent sound with very low distortionswitchable center frequency for midsconfiguration: NTMB+F, 1 x neck volume pot (p/p), 1 x bridge volume pot, 1 x mids pot (p/p), 1 x treble/bass pot (stacked)250/800 Hz mid frequency switching with push/pull mids potactive/passive (bypass) switching with push/pull neck volume potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods. 

Our most popular preamp for decades, the NTMB+F is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. It is well known to professionals for its very low noise and wide boost and cut range for aggressive control. The voice is clear, transparent, and strong. The treble frequency is set high for maximum available brightness. A professionally pre-wired and fully pre-tested harness saves the time and aggravation of wiring your preamp and pots into your instrument. Wired with our pro-level preamp and premium audio-quality pots and switches, youll have smooth control and be ready for years of rugged use. We include battery clips and an output jack for quick installation. All the pots are grounded with a wire that can be connected to the cavity shield or simply cut away if not needed in your installation. Everything is pre-soldered with pro-quality pure copper wire that is double tin plated and protected with semi-rigid insulation so it wont flop around in the cavity or degrade over time. We use only professional lead-free solder with non-corrosive flux. Knobs are a personal choice, so they are not included with the harness except where there is a stacked (concentric) pot, we include a ring knob and center knob since they are not as common.pre-wired 3-band preamp kit for electric bass with 4 pots J-bass layoutclear transparent sound with very low distortionswitchable center frequency for midsconfiguration: NTMB+F, 1 x neck volume pot, 1 x bridge volume pot, 1 x mids pot (p/p), 1 x treble/bass pot (stacked)250/800 Hz mid frequency switching with push/pull mids potadjustable gain up to 12 dBpre-wired for 9V operation (including output jack and battery clip)supports 18V operation for 6 dB extra headroom (second battery clip included)power supply via 1 x 9V / 2 x 9V (18V) battery (not included)module dimensions (L x W x H) 44.7 x 25.9 x 13.7 mm / 1.76" x 1.02" x 0.54"incl. ring and center knob for stacked potiWarranty Information for Electronics: Electronic components such as preamps and circuit boards by Sadowsky, MEC, Seymour Duncan, and Bartolini are covered exclusively by the legal warranty period. These items are classified as electronic wear parts and are therefore excluded from the extended 4-year warranty. Thank you for your understanding. Note: Electronic components are excluded from the right of return if their cables have been cut or soldered, if they show signs of use, if they have already been installed, or if there is other damage that affects the condition of the goods.