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.

  1. 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...
  2. Seymour Duncan STC-2A 2-Band for Active Pickups

    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...
  3. Vannetti V2B 2-Band Prewired Preamp

    $201.00 - $247.00
    2-Band preamp with unique Dual Presence Filter, custom wired to your specifications
    Developed by Best Bass Gear's own Rob Giovannetti, the Vannetti V2B 2-Band is a unique offering in the world of onboard preamps. Inspired by the classic active electronics of the late 1970s, the V2B has been designed not to be "transparent," but to...
  4. 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 +/-...
  5. 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...
  6. EMG BTC System 2-Pickup 3-Knob 2-Band Vol - Bl - Treb/Bass Stack

    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...
  7. Seymour Duncan STC-2ASB 2-Band Preamp for Active Pickups

    2-Band: 2-Pickup, 3-Knob VPP - Blend- Treb/Bass
    Control Configuration Volume/Slap Switch Push/Pull Blend Treble/Bass Stack High headroom, low-noise, 2-Band active onboard EQ preamp voiced specifically for fretless basses with active pickups....