Preamps

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.

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  1. Bartolini 3.3 2-Pickup 3-Knob 2-Band Vol - Bl - Treb/Bass Stack

    $148.00
    2-Band: 2-Pickup, 3-Knob Vol - Bl - Treb/Bass Stack
    Control Configuration Volume Blend Treble/Bass stack Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your instrument. They feature our industry...
  2. John East Marcus Retro 1-Switch (Without Scratch Plate)

    $325.00
    The Marcus Retro 01 was brought about due to requests from players owning the Marcus Miller basses.
    Control Configuration Volume/Blend Stack Treble/Bass Stack Mid/Mid Stack Passive Tone Push/Pull Active/Passive Pickup Blend Switch Description New For 2013! All New Marcus Retro's...
  3. Nordstrand 2B-4a 2-Pickup 4-Knob 2-Band Vol P/P A/P - Vol - Treb - Bass

    $163.50
    2-pickup, 2-band, 4-knob Volume (Push/Pull Active-Passive) - Volume - Treble - Bass
    Nordstrand 2B-4a Control Configuration Volume (Push/Pull Active-Passive) Volume Treble Bass Technical Specifications Overall Gain: +/- 10db by a trim pot on the module Treble: ...
  4. Prewire - Aguilar OBP-1 Preamp

    $169.00 - $189.00
    Custom pre-wired preamp
    The Aguilar OBP-1 is a boost only preamp able to be used in conjunction with active or passive pickups. No modification is required for use with Active pickups such as EMG®, Warwick® MEC and other active pickups as we build the pre-wires in...
  5. Bartolini 5.2AP NTMB-GFL (Fretless) Compact Preamp

    $192.00
    Bartolini 5.2 A/P NTMB-GFL (Fretless) Compact Preamp 2-Pickup 5-Knob 3-Band Vol P/P A/P - Bl - Treb - Mid P/P - Bass
    Bartolini 5.2AP NTMB-GFL (Fretless) Compact Preamp The NTMB+FL is designed to put more focus on the mid frequencies. As such, the bass control has less range than the NTMB+F ( +/-12dB @30Hz vs. +/-15dB @30Hz). Also the treble control has...
  6. Seymour Duncan STC-2A 2-Band for Active Pickups

    $105.00
    2-Band: Treb/Bass
    Controls: Treble/Bass Stack High headroom, low-noise, 2-Band active onboard EQ preamp designed for use with active pickups. Comes with prewired 3-knob harness. Seymour Duncan Tone Circuits will add a tremendous amount...
  7. Seymour Duncan STC-2P 2-Band for Passive Pickups

    $105.00
    2-Band: Treb/Bass
    Controls: Treble/Bass Stack High headroom, low-noise, 2-Band active onboard EQ preamp designed for use with passive pickups. Comes with prewired 3-knob harness. Seymour Duncan Tone Circuits will add a tremendous amount...
  8. Bartolini 5.2 GFL Compact Preamp 2-Pickup 5-Knob 3-Band Vol - Bl - Treb - Mid P/P - Bass

    $184.00
    Bartolini 5.2GFL Compact Preamp
    The new Bartolini NTMB Systems have eliminated the second module and have only the single 1-3/4" x 1" x 1/2" module. There is also a weight saving on the new systems of 20 grams. Control...
  9. OPEN BOX Glockenklang 2-Pickup 3-Knob 2-Band Vol P/P A/P - Bl - Treb/Bass Stack

    $152.00
    OPEN BOX 2-Band: 2-Pickup, 3-Knob VPP A/P - Bl - Treb/Bass Stack
    OPEN BOX Never installed. The box was a little "smooshed" in shipping. Not enough to damage anything, just enough to make the box look well, not so fresh. Includes the preamp and instructions, just like new save for the slightly compressed box. Control...
  10. Prewire - Aguilar OBP-2 Preamp

    $179.00 - $199.00
    Custom pre-wired preamp
    The OBP-2 was designed to give bassists fat tone while being small enought fit into tight control cavities. Wire this preamp with one 9 volt battery and it will fit into just about any instrument. With +/-18dB of bass boost and cut at 40Hz and +/-...
  11. Prewire - Aguilar OBP-3 Preamp

    $187.00 - $213.00
    Custom pre-wired preamp
    The Aguilar OBP-3 was built from the ground up to be the ultimate source of full-bodied tone, transparency, and versatility for your bass. Three bands of boost/cut and a selectable midrange frequency provides flexibility to dial in just the...
  12. John East J Retro Preamps

    $299.00 - $325.00
    The J Retro 01 Bass Preamp is designed to fit directly into standard "Jazz" style basses without modification, including a 9v battery.
    Control Configuration Volume/Blend Stack Treble/Bass Stack Mid/Mid Stack Blend & Pickups Switch Active/Passive Switch Available in Black, Chrome, or Gold Finish Description ...
  13. John East J Retro Deluxe

    $325.00 - $350.00
    Same as J Retro, but with an added fourth knob for passive tone control. This preamp is made for Fender Deluxe style basses with a side mounted jack.
    Control Configuration Volume/Blend Stack Treble/Bass Stack Mid/Mid Stack Passive Tone Blend & Pickups Switch Active/Passive Switch Available in Black, Chrome, or Gold Finish ...
  14. John East Uni-Pre 2-Pickup 4-Knob 3-Band Vol/Bl Stack - Treb/Bass Stack - Mid/Mid Stack - Tone P/P A/P

    $325.00 - $350.00
    3-band: 2-pickup, 4-knob Volume/Blend Stack - Treb/Bass Stack - Mid/Mid Freq Stack - Passive Tone (A/P Push-Pull)
    Uni-Pre 4 Knob 2 Pickup, 4-knob Volume/Blend Stack Treble/Bass Stack Midrange/Midrange Freq. Stack Passive Tone (Push/Pull for Active/Passive) The Uni-Pre 4 Knob is a new generation...
  15. John East Uni-Pre 2-Pickup 3-Knob 1-Switch 3-Band Vol/Bl Stack - Treb/Bass Stack - Mid/Mid Stack - A/P Sw

    $299.00 - $325.00
    3-band, 2-pickup, 3-knob 1 switch Volume/Blend Stack - Treble/Bass Stack - Midrange/Midrange Frequency Stack - Active/Passive Switch
    Uni-Pre 3 Knob 2 Pickup, 3-knob, 1 switch Volume/Blend Stack Treble/Bass Stack Midrange/Midrange Freq. Stack Active/Passive Switch The Uni-Pre 3 Knob is a new generation bass...
  16. John East Uni-Pre 2-Pickup 5-Knob 3-Band Vol - Bl - Treb/Bass Stack - Mid/Mid Stack - Tone P/P A/P

    $325.00 - $350.00
    2-pickup, 3-band, 5-knob Volume - Blend - Treble/Bass Stack - Midrange/Midrange Stack - Passive Tone (Push-Pull Active/Passive)
    Uni-Pre 5 Knob 2 Pickup, 5-knob Volume Blend Treble/Bass Stack Midrange/Midrange Freq. Stack Passive Tone (Push/Pull for Active/Passive) The Uni-Pre 5 Knob is a new generation...
  17. Bartolini 3.3AP 2-Pickup 3-Knob 2-Band Vol P/P A/P - Bl - Treb/Bass Stack

    $159.00
    2-Band: 2-Pickup, 3-Knob VPP A/P - Bl - Treb/Bass Stack
    Control Configuration Volume (w/Active-Passive Push-Pull) Blend Treble/Bass stack Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your instrument....
  18. Bartolini 4.2AP 2-Pickup 4-Knob 2-Band Vol P/P A/P - Vol - Treb - Bass

    $144.00
    2-Band: 2-Pickup, 4-Knob VPP A/P - Vol - Treb - Bass
    Control Configuration Volume (with Active/Passive push-pull) Volume Treble Bass Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your...
  19. Bartolini 4.5 2-Pickup 4-Knob 2-Band Vol - Bl - Treb - Bass

    $144.00
    2-Band: 2-Pickup, 4-Knob Vol - Bl - Treb - Bass
    Control Configuration Volume Blend Treble Bass Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your instrument. They feature our...
  20. Bartolini 4.5AP 2-Pickup 4-Knob 2-Band Vol P/P A/P - Bl - Treb - Bass

    $152.00
    2-Band: 2-Pickup, 4-Knob VPP A/P - Bl - Treb - Bass
    Control Configuration Volume (with Active/Passive push-pull) Blend Treble Bass Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your...
  21. Bartolini AGDB/918-2 Adjustable Dual Input Gain Buffer

    $72.00
    Adjustable Dual Gain Buffer
    The AGDB/918-2 is an Adjustable Gain Dual Buffer/Pre-Amp. It features two independent buffers with adjustable low-noise gain from 0 to 12dB with a superior flat frequency output response and low noise floor. This preamp can be used with either 1 -...
  22. Delano Sonar 2 2-Pickup 4-Knob 2-Band Vol P/P A/P - Bl - Treb - Bass

    $114.00
    2-Band: 2-Pickup, 4-Knob VPP A/P - Bl - Treb - Bass
    Control Configuration Volume Active/Passive Push/Pull Blend Treble Bass Description Scaling new heights in perfecting the tonal capabilities of magnetic pickups, the Delano Sonar bass...
  23. Delano Sonar 3 2-Pickup 5-Knob 3-Band Vol P/P A/P - Bl - Treb - Mid - Bass

    $129.00
    3-Band: 2-Pickup, 5-Knob VPP A/P - Bl - Treb - Mid - Bass
    Control Configuration Volume Active/Passive Push/Pull Blend Treble Mid Bass Description Scaling new heights in perfecting the tonal capabilities of magnetic pickups, the Delano...
  24. Delano Sonar 3MS/E 2-Pickup 5-Knob 1-Switch 3-Band Vol P/P A/P - Bl - Treb - Mid - Bass - Mid Sw

    $164.00
    3-Band: 2-Pickup, 5-Knob, 1-Switch VPP A/P - Bl - Treb - Mid - Bass - Mid Switch
    Control Configuration Volume Active/Passive Push/Pull Blend Treble Mid Bass Mid Switch Description Scaling new heights in perfecting the tonal capabilities of magnetic...
  25. Delano Sonar 3MS 2-Pickup 5-Knob 3-Band Vol P/P A/P - Bl - Treb - Mid - Bass

    $156.00
    3-Band: 2-Pickup, 5-Knob VPP A/P - Bl - Treb - Mid - Bass
    Control Configuration Volume Active/Passive Push/Pull Blend Treble Mid Bass Description Scaling new heights in perfecting the tonal capabilities of magnetic pickups, the Delano...
  26. EMG BQC System 2-Pickup 4-Knob 3-Band Vol - Bl - Treb/Bass Stack - Mid/Mid Stack

    $179.00
    3-Band: 2-Pickup, 4-Knob Vol - Blend - Treb/Bass - Mid/Mid
    Control Configuration Volume Blend Treble/Bass Stack Mid/Mid Stack Built specifically for EMG pickups, the BQC System works as a complete control system for bass guitars. It incorporates a pre-wired...
  27. Glockenklang 2-Pickup 4-Knob 2-Band Vol P/P A/P - Bl - Treb - Bass

    $160.00
    2-Band: 2-Pickup, 4-Knob VPP A/P - Bl - Treb - Bass
    Control Configuration Volume Active/Passive Push/Pull Blend Treble(Tone Roll-Off in Passive Mode) Bass Description Recommended for use in Rock, Jazz, Solo, Reggae applications. Tight...
  28. Glockenklang 2-Pickup 4-Knob 3-Band Vol P/P A/P - Bl - Treb/Bass Stack - Mid

    $200.00
    3-Band: 2-Pickup, 4-Knob VPP A/P - Bl - Treb/Bass Stack - Mid
    Control Configuration Volume Active/Passive Push/Pull Blend Treble/Bass Stack Mid Description Recommended for use in Rock, Jazz, Solo, Reggae applications. Tight low-end that is focused...
  29. Seymour Duncan STC-3A 3-Band Preamp for Active Pickups

    $135.00
    3-Band: 2-Pickup, 4-Knob VPP - Bl - Treb/Bass Stack - Mid
    Control Configuration Volume Push/Pull(Slap-Switch) Blend Treble/Bass Stack Mid High headroom, low-noise, 3-Band active onboard EQ preamp designed for use with active pickups. Comes...
  30. Seymour Duncan STC-3P 3-Band Preamp for Passive Pickups

    $135.00
    3-Band: 2-Pickup, 4-Knob VPP - Bl - Treb/Bass Stack - Mid
    Control Configuration Volume Push/Pull(Slap-Switch) Blend Treble/Bass Stack Mid High headroom, low-noise, 3-Band active onboard EQ preamp designed for use with passive pickups. Comes...
  31. Glockenklang 2-Pickup 3-Knob 2-Band Vol P/P A/P - Bl - Treb/Bass Stack

    $160.00
    2-Band: 2-Pickup, 3-Knob VPP A/P - Bl - Treb/Bass Stack
    Control Configuration Volume Active/Passive Push/Pull Blend Treble/Bass Stack Description Recommended for use in Rock, Jazz, Solo, Reggae applications. Tight low-end that is focused and warm.Due...
  32. Mike Pope Flexcore 1.1 2-Pickup 6-Knob 4-Band Vol P/P A/P - Vol - Treb - Lo Mid - Hi Mid - Bass

    $299.00
    2-Pickup, 6-Knob VPP A/P - Vol - Treble - Lo Mid - Hi Mid - Bass
    Control Configuration Volume Active/Passive Push/Pull Volume Treble Lo Mid Hi Mid Bass The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely nimble and flexible...
  33. Mike Pope Flexcore 1.2 2-Pickup 5-Knob 4-Band Vol P/P A/P - Vol - Treb/Bass Stack - Lo Mid - Hi Mid

    $299.00
    2-Pickup, 5-Knob VPP A/P - Vol - Treb/Bass Stack - Lo Mid - Hi Mid
    Control Configuration Volume Active/Passive Push/Pull Volume Treble/Bass Stack Lo Mid Hi Mid The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely nimble and flexible preamp...
  34. Mike Pope Flexcore 1.2stk 2-Pickup 4-Knob 4-Band Vol P/P A/P - Vol - Treb/Bass Stack - Lo Mid/Hi Mid Stack

    $299.00
    2-Pickup, 4-Knob VPP A/P - Vol - Treb/Bass Stack - Lo Mid/Hi Mid
    Control Configuration Volume Active/Passive Push/Pull Volume Treble/Bass Stack Lo Mid/Hi Mid Stack The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely nimble and flexible preamp...
  35. Mike Pope Flexcore 1stk.1 2-Pickup 6-Knob 1-Switch Vol/Tone Stack - Vol - Treb - Lo Mid - Hi Mid - Bass - A/P Sw

    $314.00
    2-Pickup, 6-Knob 1-switch Vol/Tone Stack - Vol - Lo Mid - Hi Mid - Bass - A/P Switch
    Control Configuration Volume/Passive Tone Stack Volume Treble Lo Mid Hi Mid Bass Active/Passive Switch The Mike Pope Flexore is a 1 to 4-band preamp that is an extremely...
  36. Mike Pope Flexcore 1stk.1stk 2-Pickup 5-Knob 1-Switch Vol/Tone Stack - Vol - Treb - Lo Mid/Hi Mid Stack - Bass - A/P Sw

    $314.00
    2-Pickup, 5-Knob 1-switch Vol/Tone Stack - Vol - Treble - Lo Mid/Hi Mid Stack - Bass - A/P Switch
    Control Configuration Volume/Passive Tone Stack Volume Treble Lo Mid/Hi Mid Stack Bass Active/Passive Switch The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely...
  37. Mike Pope Flexcore 1stk.2 2-Pickup 5-Knob 1-Switch 4-Knob Vol/Tone Stack - Vol - Treb/Bass Stack - Lo Mid - Hi Mid - A/P Sw

    $314.00
    2-Pickup, 5-Knob 1-switch Vol/Tone Stack - Vol - Treb/Bass Stack - Lo Mid - Hi Mid - A/P Switch
    Control Configuration Volume/Passive Tone Stack Volume Treble/Bass Stack Lo Mid Hi Mid Active/Passive Switch The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely...
  38. Mike Pope Flexcore 1stk.2stk 2-Pickup 4-knob 1-Switch Vol/Tone Stack - Vol - Treb/Bass Stack - Lo Mid/Hi Mid Stack - A/P Sw

    $314.00
    2-Pickup, 4-Knob 1-switch Vol/Tone Stack - Volume - Treb/Bass Stack - Lo Mid/Hi Mid Stack - A/P Switch
    Control Configuration Volume/Passive Tone Stack Volume Treble/Bass Stack Lo Mid/Hi Mid Stack Active/Passive Switch The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely nimble...
  39. Mike Pope Flexcore 2.1 2-Pickup 6-Knob 4-Band Vol P/P A/P - Bl - Treb - Lo Mid - Hi Mid - Bass

    $299.00
    2-Pickup, 6-Knob VPP A/P - Blend - Treble - Lo Mid - Hi Mid - Bass
    Control Configuration Volume Active/Passive Push/Pull Blend Treble Lo Mid Hi Mid Bass The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely nimble and flexible preamp...
  40. Mike Pope Flexcore 2.1stk 2-Pickup 5-Knob 4-Band Vol P/P A/P - Bl - Treb - Lo Mid/Hi Mid Stack - Bass

    $299.00
    2-Pickup, 5-Knob VPP A/P - Blend - Treble - Lo Mid/Hi Mid Stack - Bass
    Control Configuration Volume Active/Passive Push/Pull Blend Treble Lo Mid/Hi Mid Stack Bass The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely nimble and flexible preamp...
  41. Mike Pope Flexcore 2.2 2-Pickup 5-Knob 4-Band Vol P/P A/P - Bl - Treb/Bass Stack - Lo Mid - Hi Mid

    $299.00
    2-Pickup, 5-Knob VPP A/P - Blend - Treb/Bass Stack - Lo Mid - Hi Mid
    Control Configuration Volume Active/Passive Push/Pull Blend Treble/Bass Stack Lo Mid Hi Mid The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely nimble and flexible preamp...
  42. Mike Pope Flexcore 2.2stk 2-Pickup 4-Knob 4-Band Vol P/P A/P - Bl - Treb/Bass Stack - Lo Mid/Hi Mid Stack

    $299.00
    2-Pickup, 4-Knob VPP A/P - Blend - Treb/Bass - Lo Mid/Hi Mid
    Control Configuration Volume Active/Passive Push/Pull Blend Treble/Bass Stack Lo Mid/Hi Mid Stack The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely nimble and flexible preamp...
  43. Mike Pope Flexcore 2stk.1 2-Pickup 6-Knob 1-Switch 4-Band Vol/Tone Stack - Bl - Treble - Lo Mid - Hi Mid - Bass - A/P Sw

    $314.00
    2-Pickup, 6-Knob 1-Switch Vol/Tone Stack - Blend - Treble - Lo Mid - Hi Mid - Bass - A/P Switch
    Control Configuration Volume/Passive Tone Stack Blend Treble Lo Mid Hi Mid Bass Active/Passive Switch The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely...
  44. Mike Pope Flexcore 2stk.1stk 2-Pickup 5-Knob 1-Switch 4-Band Vol/Tone Stack - Bl - Treb - Lo Mid/Hi Mid Stack - Bass - A/P Sw

    $314.00
    5-Knob 1-Switch Vol/Tone Stack - Blend - Treble - Lo Mid/Hi Mid Stack - Bass - A/P Switch
    Control Configuration Volume/Passive Tone Stack Blend Treble Lo Mid/Hi Mid Stack Bass Active/Passive Switch The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely...
  45. Mike Pope Flexcore 2stk.2stk 2-Pickup 4-Knob 1-Switch 4-Band Vol/Tone Stack - Bl - Treb/Bass Stack - Lo Mid/Hi Mid Stack - A/P Sw

    $314.00
    Mike Pope Flexcore 2stk.2stk 2-Pickup, 4-Knob 1-Switch Vol/Tone Stack - Blend - Treb/Bass Stack - Lo Mid/Hi Mid Stack - A/P Switch
    Control Configuration Volume/Passive Tone Stack Blend Treble/Bass Stack Lo Mid/Hi Mid Stack Active/Passive Switch The Mike Pope Flexcore is a 1 to 4-band preamp that is an extremely nimble...
  46. EMG BTC-HZ System 2-Pickup 3-Knob 2-Band Vol - Bl - Treb/Bass Stack

    $129.00
    2-Band: 2-Pickup, 3-Knob Vol - Bl - Treb/Bass
    Control Configuration Volume Blend Treble/Bass Stack The BTC HZ System is intended for EMG-HZ passive pickups as well as other manufacturers passive pickups. The BTC HZ System comes supplied Volume, Blend, and...
  47. Lakland LH3 2-Pickup 5-Knob 1-Switch 3-Band Vol P/P A/P - Bl - Treb - Bass - Mid - Coil Sel. Sw

    $182.40
    3-Band: 2-Pickup, 5-Knob, 1-Switch VPP A/P - Bl - Treb - Bass - Mid - Coil Sel. Switch
    Control Configuration Volume Active/Passive Push/Pull Blend Treble Mid Bass Coil Selector Switch(Bridge Pickup) Working in conjunction with Lakland Bass Guitars in Chicago, Hanson...
  48. EMG BTC System 2-Pickup 3-Knob 2-Band Vol - Bl - Treb/Bass Stack

    $129.00
    2-Band: 2-Pickup, 3-Knob Vol - Bl - Treb/Bass
    Control Configuration Volume Blend Treble/Bass Stack As a complete control system for 2 pickup basses the BTC includes an Active Bass control, a BTC control, and a Master Volume control. The Active Balance...
  49. EMG BQS System 2-Pickup 5-Knob 3-Band Vol - Bl - Treb - Bass - Mid/Mid Stack

    $179.00
    3-Band: 2-Pickup, 5-Knob Vol - Bl - Treb - Bass - Mid/Mid
    Control Configuration Volume Blend Treble Bass Mid/Mid Stack The BQS System, as a complete control system for your bass guitar, includes Active Balance, Master Volume, and EQ circuits. Unlike...
  50. EMG BTS System 2-Pickup 4-knob 2-Band Vol - Bl - Treb - Bass

    $129.00
    2-Band: 2-Pickup, 4-Knob Vol - Bl - Treb - Bass
    Control Configuration Volume Blend Treble Bass As a complete control system for two pickpup basses the BTS includes an Active Balance Control, separate BTS Bass and Treble controls, and a Master Volume...
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