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. 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 +/-...
  4. 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...
  5. 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...
  6. 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....