Used MXR M133 Micro Amp Pre Effect Pedal

Boost your signal with the Used MXR M133 Micro Amp, in great condition and ready for the stage or studio. This compact pedal delivers a clean gain boost of up to +26dB, perfect for solos or balancing multiple guitars. Its simple one-knob control makes adjustments fast and intuitive, while its durable metal housing ensures reliable performance. Whether you're pushing your amp or enhancing pedal chain clarity, the M133 adds power without coloring your tone.