MXR Super Badass Guitar Pedal - Excellent barely used with box Open to reasonable offers. LE MXR® SUPER BADASS® DISTORTION M75 The Super Badass Distortion provides a full and highly responsive spectrum distortion with a 3-band EQ to fine-tune your sound. This pedal can be powered by a 9-volt battery, a Dunlop ECB003 9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies (not included).