B-Stock, Yamaha MW8CX USB studio mixer - 8x inputs, plug-and-play USB audio input/output interfacing (no need for special software drivers), 1x knob analog compressor technology (on mono input channels), EQ, monitor mix for the recorded and the playback signals, top mounted in/out connectors, large 12 segment LED meter, digital multi-effects unit with a variety of reverb, delay, modulation, and distortion presets, 16 editable effects presets, optional footswitch can be used as effect on/off switch. 4x TMNeutrik XLR mic inputs with phantom power switch. Line inputs: balanced 1/4" jack (1-2), unbalanced 1/4" jack (3/4 and 5/6), unbalanced 1/4" jack/phono (7/8), 2 track input (phono). 1/4" jack aux send/return (L/R), 1/4" jack insert in/out (1/2). stereo out, rec out and mon out (1/4" jack), phones out. Requires Windows XP/Vista or Mac OSX (10.3.3 or higher). Includes Cubase AI4 audio/MIDI sequencing software. Dimensions: 62.2 x 256.6 x 302.5mm (HxWxD). Weight: 1.7kg., B-Stock with full warranty, may have slight traces of use