With its simple operation and stellar analog tone, the MXR Micro Amp+ joins the ranks of '80s reissue MXR Classics such as the Micro Chorus, Micro Flanger, Phase 90, and Dyna Comp Compressor. The original Micro Amp has long been a staple among the world's top artists because of its ability to boost and sweeten up your guitar or bass tone and drive the front of your amp. The Micro Amp+ builds on that classic pedal, giving you the same gain boost of up to +26dB, but now with EQ controls to shape your boosted signal to your desire. Other upgrades to this powerful boost boxinclude low noise op-amps and modern true bypass to preserve you tone when the pedal is off. It's all housed in a complact pedal board friendly enclosure.Power comes from a single 9V battery or the optional a Dunlop DC810DC brick, or MC403 Power system.