Used MXR M133 Micro Amp Pre Effect Pedal

Boost your tone with this Used MXR M133 Micro Amp Preamp effect pedal in great condition, delivering clean gain to push your amp, tighten your signal, or lift solos without changing your core sound. A single Gain knob provides up to +26dB of boost, perfect for adding punch to guitars, bass, or keys. Built in a rugged compact MXR enclosure, it features 1/4" input/output and runs on 9V battery or standard 9V DC power (center-negative).