Used MXR M133 Micro Amp Pre Effect Pedal

Boost your signal with this Used MXR M133 Micro Amp, a classic preamp pedal in Good condition. Featuring a single Gain control, it provides up to +26dB of clean boost to cut through the mix or drive your amp harder. Ideal for solos or balancing multiple guitars, this durable, compact pedal runs on a 9V battery or optional power supply. A reliable choice for enhancing tone without altering your sound’s character.