Used MXR M133 Micro Amp Pre Effect Pedal

Boost your tone with this used MXR M133 Micro Amp Preamp effect pedal in good condition. This compact, all-analog clean boost delivers up to +26dB of gain via a simple single-knob control, perfect for pushing an amp, fattening solos, or matching pickup levels without changing your core sound. Built in a rugged metal housing with standard 1/4" input/output and 9V DC power (or battery), it’s a reliable staple for any pedalboard.