Excellent sound with 2x 22-channel, 32-bit/48 kHz digital signal processing, 2 independent high-speed USB 2.0 ports; Real-Time Support for 2 computers, 2, 3, or 4 deck support for 1 or 2 computers, multi-layer Control Board to control more than 30 Library, cue and loop functions in the Scratch Live software. Unique FlexFx effect bus: - Sub-Mix processing of up to 6 audio channels - 6 Internal effects (Echo, Flanger, Phaser, Robot, reverb, filter) the transition? on-beat "can be switched - analog inserts to insert external effects devices - USB interface for looping software effects 4 multi-input channels - 4 stereo inputs (phono, CD, Line, S / PDIF) - 4 stereo aux inputs - 4 Stereo USB playback options 2 microphone inputs: - 1 Mic (with 48V phantom power) - 1 Mic / Line with power switch, volume control, balance, and 2-Band EQ 3-band EQ per channel with new High-pass/Low-pass filters as well as "full-cut" function; Flexible USB recording options, can be used as an external sound card, firmware via USB upgradeable - future-proof, non-contact magnetic crossfader with adjustable curve, headphone cue section (Preview of both analog and digital sources) ; display for clock, effects and BPM; delivery SIXTY-EIGHT Rane mixers; Serato Scratch Live software installation CD. 2 control CDs, 2 control records, USB cable and power cable, instruction manual, warranty registration card .