Source Audio Soundblox 2 OFD Bass MicroMod, Distortion pedal for electric bass guitar, 12 popular overdrive, fuzz and distortion sounds, cast aluminum housing,, 2 storable user presets, Dry/Wet mix control, True or Buffered Bypass, Lo-Retain algorithm for powerful bass frequencies,, 3-band tone control, 3-level noise gate, Multifunction-In for Source Audio expression pedal, Hot Hand and MIDI-control,, 56-bit Source Audio DSP with 24-bit converters, incl. 9V DC power supply