Preamps

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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.

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  1. Bartolini HR-3.2/918 Pre-Wired Harness

    $148.00
    2 Band EQ, 3 Pots: (Treble/Bass Stack) (Blend) (Volume)
    Bartolini HR-3.2/918 Pre-Wired Harness 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 NTMB features...
  2. Bartolini HR-3.2AP/918 Pre-Wired Harness

    $159.00
    2 Band EQ, 3 Pots: (Treble/Bass Stack) (Bridge Volume) (Neck Volume with Pull-Bypass Switch)
    Bartolini HR-3.2AP/918 Pre-Wired Harness 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 NTMB features...
  3. Bartolini HR-4.5APJ/918 Pre-Wired Harness

    $152.00
    2 Band EQ, 4 Pots Jazz Layout: (Bass) (Treble) (Blend) (Volume with Pull-Bypass Switch)
    Bartolini HR-4.5APJ/918 Pre-Wired Harness 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 NTMB features...
  4. Bartolini TCT-2.2AP Pre-Wired Harness

    $156.00
    2 Band EQ, 2 Pots: (Treble/Bass Stack) (Volume with Pull-Bypass Switch)
    Bartolini TCT-2.2AP 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...
  5. Bartolini TCT-2.3AP Pre-Wired Harness

    $152.00
    2 Band EQ, 3 Pots: (Bass) (Treble) (Volume with Pull-Bypass Switch)
    Bartolini TCT-2.3AP 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...
  6. Bartolini TCT-3.2 Pre-Wired Harness

    $156.00
    2 Band EQ, 3 Pots: (Treble/Bass Stack) (Blend) (Volume)
    Bartolini TCT-3.2 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-3.2AP Pre-Wired Harness

    $168.00
    2 Band EQ, 3 Pots: (Treble/Bass Stack) (Bridge Volume) (Neck Volume with Pull-Bypass Switch)
    Bartolini TCT-3.2AP 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-3.3 Pre-Wired Harness

    $156.00
    2 Band EQ, 3 Pots: (Treble/Bass Stack) (Blend) (Volume)
    Bartolini TCT-3.3 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 TCT-3.3AP Pre-Wired Harness

    $168.00
    2 Band EQ, 3 Pots: (Treble/Bass Stack) (Blend) (Volume with Pull-Bypass Switch)
    Bartolini TCT-3.3AP 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...
  10. Bartolini TCT-4.2AP Pre-Wired Harness

    $152.00
    2 Band EQ, 4 Pots: (Bass) (Treble) (Bridge Volume) (Neck Volume with Pull-Bypass Switch)
    Bartolini TCT-4.2AP 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...
  11. Bartolini TCT-4.5 Pre-Wired Harness

    $152.00
    2 Band EQ, 4 Pots: (Bass) (Treble) (Blend) (Volume)
    Bartolini TCT-4.5 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...
  12. Bartolini TCT-4.5AP Pre-Wired Harness

    $159.00
    2 Band EQ, 4 Pots: (Bass) (Treble) (Blend) (Volume with Pull-Bypass Switch)
    Bartolini TCT-4.5AP 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...
  13. Bartolini TCT-4.5APJ Pre-Wired Harness

    $159.00
    2 Band EQ, 4 Pots Jazz Layout: (Bass) (Treble) (Blend) (Volume with Pull-Bypass Switch)
    Bartolini TCT-4.5APJ 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...
  14. Bartolini XTCT-2.2AP Pre-Wired Harness

    $156.00
    2 Band EQ, 2 Pots: (Treble/Bass Stack) (Volume with Pull-Bypass Switch)
    Bartolini XTCT-2.2AP 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...
  15. Bartolini XTCT-2.3AP Pre-Wired Harness

    $152.00
    2 Band EQ, 3 Pots: (Bass) (Treble) (Volume with Pull-Bypass Switch)
    Bartolini XTCT-2.3AP 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...
  16. Bartolini XTCT-3.2 Pre-Wired Harness

    $156.00
    2 Band EQ, 3 Pots: (Treble/Bass Stack) (Blend) (Volume)
    Bartolini XTCT-3.2 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...
  17. Bartolini XTCT-3.2AP Pre-Wired Harness

    $168.00
    2 Band EQ, 3 Pots: (Treble/Bass Stack) (Bridge Volume) (Neck Volume with Pull-Bypass Switch)
    Bartolini XTCT-3.2AP 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...
  18. Bartolini XTCT-3.3 Pre-Wired Harness

    $156.00
    2 Band EQ, 3 Pots: (Treble/Bass Stack) (Blend) (Volume)
    Bartolini XTCT-3.3 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...
  19. Bartolini XTCT-3.3AP Pre-Wired Harness

    $168.00
    2 Band EQ, 3 Pots: (Treble/Bass Stack) (Blend) (Volume with Pull-Bypass Switch)
    Bartolini XTCT-3.3AP 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...
  20. Bartolini XTCT-4.2AP Pre-Wired Harness

    $152.00
    2 Band EQ, 4 Pots: (Bass) (Treble) (Bridge Volume) (Neck Volume with Pull-Bypass Switch)
    Bartolini XTCT-4.2AP 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...
  21. Bartolini XTCT-4.5 Pre-Wired Harness

    $152.00
    2 Band EQ, 4 Pots: (Bass) (Treble) (Blend) (Volume)
    Bartolini XTCT-4.5 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...
  22. Bartolini XTCT-4.5AP Pre-Wired Harness

    $159.00
    2 Band EQ, 4 Pots: (Bass) (Treble) (Blend) (Volume with Pull-Bypass Switch)
    Bartolini XTCT-4.5AP 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-4.5APJ Pre-Wired Harness

    $159.00
    2 Band EQ, 4 Pots Jazz Layout: (Bass) (Treble) (Blend) (Volume with Pull-Bypass Switch)
    Bartolini XTCT-4.5APJ 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-2.2/918 Pre-Wired Harness

    $136.00
    2 Band EQ, 2 Pots: (Treble/Bass Stack) (Volume)
    Bartolini HR-3.2/918 Pre-Wired Harness 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 NTMB features...
  25. Bartolini HR-2.3/918 Pre-Wired Harness

    $132.00
    2 Band EQ, 3 Pots: (Bass) (Treble) (Volume)
    Bartolini HR-2.3/918 Pre-Wired Harness 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 NTMB features...
  26. Bartolini TCT-2.2 Pre-Wired Harness

    $144.00
    2 Band EQ, 2 Pots: (Treble/Bass Stack) (Volume)
    Bartolini TCT-2.2 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...
  27. Bartolini TCT-2.3 Pre-Wired Harness

    $139.00
    2 Band EQ, 3 Pots: (Bass) (Treble) (Volume)
    Bartolini TCT-2.3 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...
  28. Bartolini XTCT-2.2 Pre-Wired Harness

    $144.00
    2 Band EQ, 2 Pots: (Treble/Bass Stack) (Volume)
    Bartolini XTCT-2.2 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...
  29. Bartolini XTCT-2.3 Pre-Wired Harness

    $139.00
    2 Band EQ, 3 Pots: (Bass) (Treble) (Volume)
    Bartolini XTCT-2.3 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...
  30. Bartolini HR-4.2J/918 Pre-Wired Harness

    $136.00
    2 Band EQ, 4 Pots Jazz Layout: (Neck Volume) (Bridge Volume) (Treble) (Bass)
    Bartolini HR-3.2/918 Pre-Wired Harness 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 NTMB features...
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