Mackie's 22-channel ProFX22 Professional 4-bus Effects Mixer with USB is the complete and simple solution for medium/large performance venues. Sixteen Mackie low-noise, high-headroom mic preamps ensure pristine signal while 60mm faders on each channel and inline compression on critical inputs keep levels in check. Sweeten the mix using the 3-band active EQ with sweep able mids and integrated RMFX 32-bit processor, which offers an arsenal of Gig-Ready effects. Easily tune mains and monitors with 7-band stereo graphic EQ and capture the mix or stream house music from a laptop using built-in USB I/O. Protective ABS side panels encase the rugged solid steel chassis. Simply professional - ProFX22.