Source Audio Soundblox2 Multiwave Distortion, effect pedal, Diverse Sound Palette- Featuring 23 varieties of unique distortion algorithms with an additional CLEAN BOOST mode, Multiband Processing, 2 User Presets (recalled via two footswitches), Universal Bypass, 3-band tone control, Noise Gate, Multi-function In, MIDI Capabl, State-of-the-art DSP (56-bit Digital Signal Processor), 24-bit converters, 9V DC power supply included, Dimensions: L: 11.4cm x W: 11.4cm x H: 5.7cm