Description
The MXR Thump Bass Preamp started as an accident of curiosity: MXR’s engineers and their house bass players plugged into an Echoplex Preamp circuit meant for guitar and found the low end ate it up just as well. Rather than let that discovery go to waste, they built the Thump around that same foundational circuitry, then added controls specifically voiced for bass players who want punch and clarity without a steep learning curve.
- Rooted in the Echoplex Preamp’s signature circuit, now reworked for bass frequencies
- Simple, focused tone-shaping controls for quick dial-in
- Boosts signal while sweetening tone, giving your low end more presence in the mix
- Straightforward interface built for fast setup at soundcheck or in the studio
What makes the Thump worth a spot on your board is how little fuss it takes to get a great result. You’re not wading through menus or stacking effects to find your sound — the pedal hands you a warm, boosted foundation and lets you shape it from there. Whether you’re chasing a fatter low end for a live set or a preamp push that helps your bass sit right in a mix, the Thump gets you there without overcomplicating the process. It’s a pedal built by bassists, for bassists, and it shows in how naturally it responds to how you actually play.









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