Livid Instruments DS1 Portable Digital Mixer 9 faders (60 mm), 4 push encoders, 25 RGB backlit buttons, & 4 push encoders Ultra light and heavy-duty aluminum construction with USB powered class-compliant MIDI 12" x 12.25" x 1" (30.48 cm x 31.1 cm x 2.5 cm) 4.4 lbs. (2 Kg) Expression pedal input (compatible with the Livid Master Fader) Designed and assembled in Austin, TX USA