BEHRINGER XENYX QX1222USB Premium ultra-low noise, high headroom mixer 4 state-of-the-art, phantom-powered XENYX Mic Preamps comparable to stand-alone boutique preamps 4 studio-grade compressors with super-easy "one-knob" functionality and control LED for professional vocal and instrumental sound Ultra-high quality KLARK TEKNIK FX processor with LCD display, dual-parameters, Tap function and storable user parameter settings "Wireless-ready" for high-quality BEHRINGER digital wireless system (not included)