6-input Desktop Mixer with 2 Microphone Preamplifiers, 2 Stereo Channels, 3-band Equalizers, 1 Aux, Tape I/O, and Separate Volume and Headphone Levels Get full-scale functions and quality audio with the midsize Mackie Mix8 desktop audio mixer. This compact 6-input mixer offers a pair of microphone preamplifiers with switchable phantom power for your condenser microphones, and two additional channels offer inputs for keyboards, drum machines, and other stereo gear. But what makes the Mix8 stand out from similar mixers here at Guitarlicious are its the 3-band equalizers and aux sends on each channel. For added convenience, the Mackie Mix8 even comes equipped with an RCA I/O path for recording and separate volume controls for the main and the headphone outputs.