“Achenbach” Boomster mk.2

What the Boomster Does

The Boomster mk.2 is JAM Pedals’ high‑fidelity, all‑analog buffer and clean boost—designed to preserve your tone while adding up to 16 dB of transparent gain  . Whether you need a subtle push for solos, enhanced drive staging, or extra headroom, this pedal delivers with musical feel.

Key features include:

• Hi‑fi Texas Instruments® OPA 2132 chips, painstakingly chosen for lush fidelity across all functions  .

• Selectable true or buffered bypass, enabling both clean signal pass-through and boosted tone capture  .

• Three voicing modes, finely tuned to shape your high end, mids, or maintain a flat full-range response—perfect for matching various guitars, pedals, or amps  .

• Expression pedal input supports passive 10 kΩ pedals for volume control swells  .

• Momentary or latching operation, giving you flexibility in activation.

• Wide power range (9‑18 V) for variable headroom  .

Buffer Function

Powered by the OPA 2132 chip, the Boomster instantly restores lost treble and clarity in long signal chains—without harshness—while preserving the natural feel of your instrument  .

Booster Function

Tuned for clean, dynamic gain, it’s ideal for driving amp overdrive or enhancing solos. The three voicing options let you sculpt the tone to your exact preference  .

Volume Pedal Mode

Use an expression pedal to turn the Boomster into a smooth volume controller—from silence to full boost, depending on your Level knob and bypass mode settings  .

Click HERE for everything you need to know about the Boomster Buffer/Booster pedal and its features!
Already familiar with it? Read on!

About the “Achenbach Series”:

John Achenbach is a Storyboard Artist and Animation Professional with a long history on the legendary show “The Simpsons” and a guitarist/musician. The “Achenbach Series” is the result of a loving friendship that has developed through the years out of mutual respect for what each of us does!