Used MXR M133 Micro Amp Pre Effect Pedal

Boost your tone with this used MXR M133 Micro Amp Preamp pedal in great condition. A classic clean boost, it adds up to +26 dB of gain to push your amp, fatten solos, or restore signal loss without coloring your sound. Simple single-knob control makes dialing in the perfect lift fast and intuitive. Built in a rugged compact enclosure with standard 1/4" input/output jacks, it runs on 9V battery or optional 9V DC adapter.