Brubaker BOB preamp modules for JXB USA basses 2025 - Carbon fiber

Here is The Original Brubaker BOB (Brubaker On Board) Swappable Preamp system. We are are selling the BOB active preamp modules that fit this system.

Choose your BOB loaded with-Agulair, Bartolini, Darkglass, John East or Nordstrand.

This fits all Brubaker JXB basses built from the year 2021 to present and some prior to 2021 year.

Designed for ultimate versatility, the BOB system allows you to swap preamps quickly and easily—giving you multiple tonal palettes in a single instrument without permanent modifications.

This system was a forward-thinking solution for bass players who wanted the flexibility of different EQ voicings and tonal characters at their fingertips. Simply unplug one preamp module and plug in another—no soldering, no hassle, just pure tonal exploration.

Features:

• Original Brubaker BOB (Brubaker On Board) design
• Swappable preamp modules for quick tone changes
• No soldering required—plug-and-play installation
• Collectible piece of Brubaker innovation
• Perfect for Brubaker owners, collectors, or players looking to expand their tonal options
• BOB box included
• 
  This is more than just a preamp—it’s a piece of Brubaker history and a rare opportunity to own a system that represents true innovation in bass design. Whether you’re a collector, a session player, or someone who loves tonal versatility, the BOB system is a game-changer.