Alesis MultiMix 16 USB - 16 channel analog mixer with integrated multichannel USB 2.0 audio interface (24bit/96kHz), 18x direct inputs for recording and 2x return inputs for monitoring (simultaneous USB 2.0 transfer), high-gain mic/line inputs with phantom power (XLR and 1/4" balanced), switchable 75Hz hi-pass filters, line inputs, aux send (to onboard or external effects), stereo aux return, 100x 28bit onboard preset effects including reverbs, delays, chorus, flanging, pitch and multi-effects, 3 band EQ (per channel) with high/low shelving and mid band pass/reject, separate 1/4" balanced main and monitor outs, headphone out, smooth 60mm faders. Compatible with Mac OS X and Windows XP/Vista (32bit). Includes Steinberg Cubase LE. Optional easy-to-attach rackmount ears available. Dimensions: 331mm x 386mm x 80mm. Weight: 4.6Kg.