The compact QX1204USB mixer allows you to effortlessly achieve premium- quality sound, thanks to its 4 onboard studio-grade XENYX Mic Preamps and ultra-musical ?British? channel EQs. And our easy-to-use ?one-knob? compressors provide total dynamic control for the ultimate in punch and clarity, while respecting all the power and emotion you pack into every note. Add to this, the sweet forgiveness of our British-style EQs and a KLARK TEKNIK Multi-FX processor with LCD display, dual-parameters, Tap function and storable user parameter settings ? and the QX1204USB becomes an incredibly versatile mixer for your live performances. But XENYX QX1204USB isn?t just designed to handle your live gigs; they also provide the state-of-the-art tools you need to make stunning, professional-quality recordings. Along with their built-in USB/audio interfaces, these mixers come with all the recording and editing software needed to turn your computer system into a complete, high-performance home recording studio. ? 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) ? Built-in stereo USB/Audio Interface to connect directly to your computer. Free audio recording, editing and podcasting software plus 150 instrument/effect plug-ins downloadable at behringer.com ? Neo-classic "British" 3-band EQs for warm and musical sound ? 2 aux sends per channel: 1 pre/post fader switchable for monitoring/FX applications, 1 post fader (for internal FX or as external send) ? Clip LEDs, mute/alt 3-4, solo and PFL functions on all channels ? 2 subgroups with separate outputs for added routing flexibility ? 2 multi-functional stereo aux returns with flexible routing ? Balanced main mix outputs with gold-plated XLR connectors plus separate control room, headphones and 2-track outputs ? Control room/phones outputs with multi-input source matrix ? Long-wearing 60-mm logarithmic-taper faders and sealed rotary controls ? "Planet Earth" switching power supply for maximum flexibility (100 - 240 V~), noise-free audio, superior transient response plus low power consumption for energy saving ? Designed and engineered in Germany