Used MXR M133 Micro Amp Pre Effect Pedal

Boost your tone with this used MXR M133 Micro Amp Preamp pedal in good condition, a classic clean boost for guitar or bass. It features one Gain control delivering up to +26dB of transparent output to push amps, fatten solos, or drive other pedals without changing your core sound. Compact and road-ready, it uses true hardwire bypass and runs on a 9V battery or standard 9V DC adapter (center-negative).