Used MXR M133 Micro Amp Pre Effect Pedal

Boost your tone with this used MXR M133 Micro Amp Preamp pedal in good condition. This compact analog clean boost delivers up to +26 dB of gain to push your amp, fatten solos, or add sparkle without changing your core sound. Simple single-knob control makes dialing in the right level fast and intuitive. Standard 1/4" in/out, rugged MXR housing, and 9V battery or DC power operation make it an easy fit on any pedalboard.