MXR

Description

Boost your tone with this used MXR M133 Micro Amp preamp pedal in good condition. This compact, road-ready unit delivers up to +26dB of clean gain to push your amp, fatten solos, or add sparkle without coloring your core sound. Simple single-knob control makes dialing in the perfect lift fast and intuitive. True bypass switching preserves your signal when off, and it runs on standard 9V power for easy pedalboard integration.

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