The Bass D.I.+ features a D.I., separate clean and distortion channels, an array of controls to fine-tune your sound, and a noise gate trigger control to eliminate hum and hiss. 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).