Used MXR M133 Micro Amp Pre Effect Pedal

Boost your tone with the used MXR M133 Micro Amp, a powerful preamp effect pedal in great condition. Offering up to +26dB of gain with a single control knob, it's perfect for solos, pickup balancing, or driving effects. Rugged and reliable, this classic pedal features true bypass switching and runs on a 9V battery or power supply. Ideal for guitarists seeking a clean, transparent volume boost with minimal setup.