12 channel professional mixer USB interface to take the output directly to a PC100 built in digital effects Digital SPDIF phono output 3 band EQ per channel 8 segment LED level meters The Multi Mix line combines studio-quality components & effects processing with rock-solid construction for the ultimate in compact mixers all at prices wandering musicians will love. Multi Mix mixers are perfect for musicians & engineers needing a portable flexible mixer with digital effects for sound reinforcement rehearsals studio recording sub-mixing field recording & digital audio video computer workstation mixing. The Alesis Multi Mix 12 USB (Universal Serial Bus) is a compact 12-channel buss mixer featuring low-noise analog electronics 100 great sounding 28-bit digital effects & a SPDIF digital output. With TRS balanced inputs RCA connections & XLR mic inputs with high gain the Multi Mix 16 USB (Universal Serial Bus) is flexible enough for many applications. Other features include low noise mic pre-amps switchable phantom power & high-pass filters & 3-band EQ on every channel.-4 high-gain micline XLR & 14-inch balanced inputs with phantom power 4 stereo balanced 14 line inputs-100 onboard preset effects including reverbs delays chorus flanging pitch & multi effects-2 aux sends aux 1 is prepost-fader switchable aux 2 is post-fader & can send to onboard or external effects 2 stereo aux returns 2-track stereo RCA in & out-Separate 14-inch balanced main & monitor outs 44.1k Hz SPDIF RCA digital out on 12FXD headphone out-Separate panbalance pre-fader listensolo in place & mutebuss switches for simple operation-3-band EQ per channel with high low shelving & mid bandpassreject-8-segment LED stereo meters-Smooth 60mm faders-Integrated USB (Universal Serial Bus) audio interface Plug n Play operation under Mac OS X & Windows-Steinberg Cubase LE included