Mackie Onyx 1220 12-Ch. Premium Small-Format Mixer Premium 12-channel small-format analog mixer with all-new circuitry 4 new ONYX mic preamps with sound comparable to boutique preamps New 3-band Perkins EQ with dual sweepable midrange controls on Mic/Line channels 96kHz FireWire option for streaming 18 independent channels of audio to computer with near-zero latency 2 Channels of monitoring from computer via FireWire option card Planet-Earth switching power supply for worldwide use