Alesis MultiMix 12R | 12-channel Mixer & Microphone Preamplifier in 3U Rack Ultra-affordable 12-channel mixer in a 3U rack 8 high-gain mic/line (XLR and 1/4" balanced) inputs with phantom power, 2 stereo balanced 1/4" line inputs 2 aux sends (pre- and post-fader), stereo aux return, 8 1/4" inserts, 2-track stereo RCA in and out Separate 1/4" balanced main and monitor outs, front-panel headphone out 2-band high/ low shelving EQ per channel