Used MXR M133 Micro Amp Pre Effect Pedal

Boost your signal with the used MXR M133 Micro Amp, a clean and powerful preamp pedal in great condition. This compact stompbox delivers up to +26dB of gain, perfect for solos or level conditioning between guitars. With a single Gain control and true bypass switching, it adds clarity without coloring your tone. Ideal for pushing amps or compensating for signal loss, the M133 is a reliable go-to for any pedalboard setup.