MXR

Description

Boost your tone with this used MXR M133 Micro Amp Preamp pedal in good condition, delivering clean, transparent gain to push your amp, fatten solos, or balance levels between guitars. Its single Gain knob offers up to +26dB of boost with low noise and straightforward operation. Built in a rugged compact stompbox enclosure, it features standard 1/4" input/output and runs on a 9V battery or optional 9V DC power supply.

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