Preamps

Frankie - Bass Tech Will these Preamps work with your Bass? Ask Frankie, our Bass Tech.

Best Bass Gear is proud to be able to offer you a wide array of onboard preamps for your EQ and tone shaping needs. We offer systems custom prewired in house and also wired by the manufacturer with a large selection of control configurations for almost any bass.We stock only the highest quality manufacturers including ACG, Aguilar, Bartolini, Glockenklang, John East, Mike Pope, Nordstrand, and Seymour Duncan.

Shop By Filter
  1. Bartolini HR-4.4APJ/918 Pre-Wired Harness

    $196.00
    3 Band EQ, 4 Pots Jazz Layout: (Neck Volume with Pull-Bypass Switch) (Bridge Volume) (Mid with 250/800Hz push-pull) (Treble/Bass Stack)
    Bartolini HR-4.4APJ/918 Pre-Wired Harness 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...
  2. Bartolini HR-4.6J/918 Pre-Wired Harness

    $188.00
    3 Band EQ, 4 Pots Jazz Layout: (Volume) (Blend) (Mid with 250/800Hz push-pull) (Treble/Bass Stack)
    Bartolini HR-4.6J/918 Pre-Wired Harness 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...
  3. Bartolini HR-4.4J/918FL Pre-Wired Harness

    $184.00
    3 Band EQ, FL, 4 Pots Jazz Layout: (Neck Volume) (Bridge Volume) (Mid with 250/800Hz push-pull) (Treble/Bass Stack)
    Bartolini HR-4.4J/918FL Pre-Wired Harness The NTMB+FL is well known to professionals for its very low noise and precise control. It is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. The adjustment range is...
  4. Bartolini HR-4.4APJ/918FL Pre-Wired Harness

    $196.00
    3 Band EQ, FL, 4 Pots Jazz Layout: (Neck Volume with Pull-Bypass Switch) (Bridge Volume) (Mid with 250/800Hz push-pull) (Treble/Bass Stack)
    Bartolini HR-4.4APJ/918FL Pre-Wired Harness The NTMB+FL is well known to professionals for its very low noise and precise control. It is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. The adjustment range...
  5. Bartolini HR-4.6J/918FL Pre-Wired Harness

    $188.00
    3 Band EQ, FL, 4 Pots Jazz Layout: (Volume) (Blend) (Mid with 250/800Hz push-pull) (Treble/Bass Stack)
    Bartolini HR-4.6J/918FL Pre-Wired Harness The NTMB+FL is well known to professionals for its very low noise and precise control. It is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. The adjustment range is...
  6. Bartolini TCT-4.4J Pre-Wired Harness

    $192.00
    3 Band EQ, 4 Pots Jazz Layout: (Neck Volume) (Bridge Volume) (Mid with 250/750Hz push-pull) (Treble/Bass Stack)
    Bartolini TCT-4.4J Pre-Wired Harness TCT is the original Bartolini on-board preamp. It has Bass, Mid, and Treble controls with very low noise and wide adjustment range. Bass and Treble bands can be boosted or cut. The TCT preamp has a voice...
  7. Bartolini TCT-4.4APJ Pre-Wired Harness

    $204.00
    3 Band EQ, 4 Pots Jazz Layout: (Neck Volume with Pull-Bypass Switch) (Bridge Volume) (Mid with 250/750Hz push-pull) (Treble/Bass Stack)
    Bartolini TCT-4.4APJ Pre-Wired Harness TCT is the original Bartolini on-board preamp. It has Bass, Mid, and Treble controls with very low noise and wide adjustment range. Bass and Treble bands can be boosted or cut. The TCT preamp has a voice...
  8. Bartolini TCT-4.6J Pre-Wired Harness

    $196.00
    3 Band EQ, 4 Pots Jazz Layout: (Volume) (Blend) (Mid with 250/750Hz push-pull) (Treble/Bass Stack)
    Bartolini TCT-4.6J Pre-Wired Harness TCT is the original Bartolini on-board preamp. It has Bass, Mid, and Treble controls with very low noise and wide adjustment range. Bass and Treble bands can be boosted or cut. The TCT preamp has a voice...
  9. Bartolini XTCT-4.4J Pre-Wired Harness

    $192.00
    3 Band EQ, 4 Pots Jazz Layout: (Neck Volume) (Bridge Volume) (Mid with 250/750Hz push-pull) (Treble/Bass Stack)
    Bartolini XTCT-4.4J Pre-Wired Harness XTCT is similar to the original TCT on-board preamp, but it has a mid-frequency notch at 500Hz for slap tone with more bass. The XTCT has Bass, Mid, and Treble controls with very low noise and wide adjustment...
  10. Bartolini XTCT-4.4APJ Pre-Wired Harness

    $204.00
    3 Band EQ, 4 Pots Jazz Layout: (Neck Volume with Pull-Bypass Switch) (Bridge Volume) (Mid with 250/750Hz push-pull) (Treble/Bass Stack)
    Bartolini XTCT-4.4APJ Pre-Wired Harness XTCT is similar to the original TCT on-board preamp, but it has a mid-frequency notch at 500Hz for slap tone with more bass. The XTCT has Bass, Mid, and Treble controls with very low noise and wide adjustment...
  11. Bartolini XTCT-4.6J Pre-Wired Harness

    $196.00
    3 Band EQ, 4 Pots Jazz Layout: (Volume) (Blend) (Mid with 250/750Hz push-pull) (Treble/Bass Stack)
    Bartolini XTCT-4.6J Pre-Wired Harness XTCT is similar to the original TCT on-board preamp, but it has a mid-frequency notch at 500Hz for slap tone with more bass. The XTCT has Bass, Mid, and Treble controls with very low noise and wide adjustment...
  12. Bartolini HR-4.7J/918FL Pre-Wired Harness

    $208.00
    3 Band EQ, FL, 4 Pots, 1 toggle Jazz Layout: (Volume) (Blend) (Mid) [250,500,800Hz Mid Toggle] (Treble/Bass Stack)
    Bartolini HR-4.7J/918FL Pre-Wired Harness The NTMB+FL is well known to professionals for its very low noise and precise control. It is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. The adjustment range is...
  13. Bartolini HR-4.7J/918 Pre-Wired Harness

    $208.00
    3 Band EQ, 4 Pots, 1 toggle Jazz Layout: (Volume) (Blend) (Mid) [250,500,800Hz Mid Toggle] (Treble/Bass Stack)
    Bartolini HR-4.7J/918 Pre-Wired Harness 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...
  14. Bartolini HR-2.5/918 Pre-Wired Harness

    $168.00
    3 Band EQ, 4 Pots: (Volume) (Treble) (Mid with 250/800Hz push-pull) (Bass)
    Bartolini HR-2.5/918 Pre-Wired Harness 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...
  15. Bartolini HR-4.4/918 Pre-Wired Harness

    $184.00
    3 Band EQ, 4 Pots: (Neck Volume) (Bridge Volume) (Mid with 250/800Hz push-pull) (Treble/Bass Stack)
    Bartolini HR-4.4/918 Pre-Wired Harness 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...
  16. Bartolini HR-2.5/918FL Pre-Wired Harness

    $168.00
    3 Band EQ, FL, 4 Pots: (Volume) (Treble) (Mid with 250/800Hz push-pull) (Bass)
    Bartolini HR-2.5/918FL Pre-Wired Harness The NTMB+FL is well known to professionals for its very low noise and precise control. It is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. The adjustment range is...
  17. Bartolini HR-4.4AP/918FL Pre-Wired Harness

    $196.00
    3 Band EQ, FL, 4 Pots: (Neck Volume with Pull-Bypass Switch) (Bridge Volume) (Mid with 250/800Hz push-pull) (Treble/Bass Stack)
    Bartolini HR-4.4AP/918FL Pre-Wired Harness The NTMB+FL is well known to professionals for its very low noise and precise control. It is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. The adjustment range...
  18. Bartolini TCT-4.7J Pre-Wired Harness

    $216.00
    3 Band EQ, 4 Pots, 1 toggle Jazz Layout: (Volume) (Blend) (Mid) [250,500,750Hz Mid Toggle] (Treble/Bass Stack)
    Bartolini TCT-4.7J Pre-Wired Harness TCT is the original Bartolini on-board preamp. It has Bass, Mid, and Treble controls with very low noise and wide adjustment range. Bass and Treble bands can be boosted or cut. The TCT preamp has a voice...
  19. Bartolini TCT-2.5 Pre-Wired Harness

    $176.00
    3 Band EQ, 4 Pots: (Volume) (Treble) (Mid with 250/750Hz push-pull) (Bass)
    Bartolini TCT-2.5 Pre-Wired Harness TCT is the original Bartolini on-board preamp. It has Bass, Mid, and Treble controls with very low noise and wide adjustment range. Bass and Treble bands can be boosted or cut. The TCT preamp has a voice...
  20. Bartolini TCT-4.4AP Pre-Wired Harness

    $204.00
    3 Band EQ, 4 Pots: (Neck Volume with Pull-Bypass Switch) (Bridge Volume) (Mid with 250/750Hz push-pull) (Treble/Bass Stack)
    Bartolini TCT-4.4AP Pre-Wired Harness TCT is the original Bartolini on-board preamp. It has Bass, Mid, and Treble controls with very low noise and wide adjustment range. Bass and Treble bands can be boosted or cut. The TCT preamp has a voice...
  21. Bartolini XTCT-4.7J Pre-Wired Harness

    $216.00
    3 Band EQ, 4 Pots, 1 toggle Jazz Layout: (Volume) (Blend) (Mid) [250,500,750Hz Mid Toggle] (Treble/Bass Stack)
    Bartolini XTCT-4.7J Pre-Wired Harness XTCT is similar to the original TCT on-board preamp, but it has a mid-frequency notch at 500Hz for slap tone with more bass. The XTCT has Bass, Mid, and Treble controls with very low noise and wide adjustment...
  22. Bartolini XTCT-2.5 Pre-Wired Harness

    $176.00
    3 Band EQ, 4 Pots: (Volume) (Treble) (Mid with 250/750Hz push-pull) (Bass)
    Bartolini XTCT-2.5 Pre-Wired Harness XTCT is similar to the original TCT on-board preamp, but it has a mid-frequency notch at 500Hz for slap tone with more bass. The XTCT has Bass, Mid, and Treble controls with very low noise and wide adjustment...
  23. Bartolini XTCT-4.4AP Pre-Wired Harness

    $204.00
    3 Band EQ, 4 Pots: (Neck Volume with Pull-Bypass Switch) (Bridge Volume) (Mid with 250/750Hz push-pull) (Treble/Bass Stack)
    Bartolini XTCT-4.4AP Pre-Wired Harness XTCT is similar to the original TCT on-board preamp, but it has a mid-frequency notch at 500Hz for slap tone with more bass. The XTCT has Bass, Mid, and Treble controls with very low noise and wide adjustment...
  24. Bartolini HR-2.4/918 Pre-Wired Harness

    $176.00
    3 Band EQ, 3 Pots: (Treble/Bass Stack) (Mid with 250/800Hz push-pull) (Volume)
    Bartolini HR-2.4/918 Pre-Wired Harness 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...
  25. Bartolini HR-4.4/918 Pre-Wired Harness

    $184.00
    3 Band EQ, 4 Pots: (Treble/Bass Stack) (Mid with 250/800Hz push-pull) (Neck Volume) (Bridge Volume)
    Bartolini HR-4.4/918 Pre-Wired Harness 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...
  26. Bartolini HR-5.3/918 Pre-Wired Harness

    $199.00
    3 Band EQ, 5 Pots, 1 Toggle: (Bass) (Mid) (250,500,800Hz Mid Toggle) (Treble) (Bridge Volume) (Neck Volume)
    Bartolini HR-5.3/918 Pre-Wired Harness 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...
  27. Bartolini HR-2.4/918FL Pre-Wired Harness

    $176.00
    3 Band EQ, FL, 3 Pots: (Treble/Bass Stack) (Mid with 250/800Hz push-pull) (Volume)
    Bartolini HR-2.4/918FL Pre-Wired Harness The NTMB+FL is well known to professionals for its very low noise and precise control. It is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. The adjustment range is...
  28. Bartolini HR-4.4/918FL Pre-Wired Harness

    $184.00
    3 Band EQ, FL, 4 Pots: (Treble/Bass Stack) (Mid with 250/800Hz push-pull) (Neck Volume) (Bridge Volume)
    Bartolini HR-4.4/918FL Pre-Wired Harness The NTMB+FL is well known to professionals for its very low noise and precise control. It is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. The adjustment range is...
  29. Bartolini HR-5.3/918FL Pre-Wired Harness

    $199.00
    3 Band EQ, FL, 5 Pots, 1 Toggle: (Bass) (Mid) (250,500,800Hz Mid Toggle) (Treble) (Bridge Volume) (Neck Volume)
    Bartolini HR-5.3/918FL Pre-Wired Harness The NTMB+FL is well known to professionals for its very low noise and precise control. It is a 3-band tone control preamp with fully independent Bass, Mid and Treble controls. The adjustment range is...
  30. Bartolini TCT-2.4 Pre-Wired Harness

    $184.00
    3 Band EQ, 3 Pots: (Treble/Bass Stack) (Mid with 250/800Hz push-pull) (Volume)
    Bartolini TCT-2.4 Pre-Wired Harness TCT is the original Bartolini on-board preamp. It has Bass, Mid, and Treble controls with very low noise and wide adjustment range. Bass and Treble bands can be boosted or cut. The TCT preamp has a voice...
Shop By Filter