M-Audio Ozone USB / Midi Mobile workstation in full working order. Used but unmarked comes complete with software disc, original Manual, and Power supply. Great for use with laptop as a mobile studio setup. Built in 2 x 2 24-bit / 96 Khz audio interface. 25 Keys with + - 4 Octave transposition. 8 Controller knobs assignable to any midi channel / parameter. XLR Mic input with built in preamp and phantom power. Instrument in with built in pre-amp balanced 1/4 inch TRS. Stereo aux in balanced 1/4 inch TRS). Stereo Out 1/4 inch. Stereo Headphone out. 2 Midi outputs (Software out and keyboard out). Zero latency direct monitoring.