Used MXR M133 Micro Amp Pre Effect Pedal

Boost your signal with the used MXR M133 Micro Amp, a compact preamp pedal in great condition. Ideal for adding gain to solos or balancing signal loss in long chains, it delivers clean, transparent boost with a single gain control. Powered by a 9V battery or adapter, it's perfect for tightening up tone or pushing your amp. Rugged metal housing ensures durability, making it a reliable tool for stage or studio use.