The power to be live and the versatility to be in the studio! The Behringer Xenyx USB Audio Mixer features premium grade components and professional features to rival mixers costing many times more. Features like dedicated, 'wireless-ready' integration for Behringer's ULM Series USB mics, makes this mixer the first of its kind in the industry. Enjoy the freedom of wireless mic functionality, thanks to the built-in ULM receiver port. Klark Teknik FX on all QX models. Nothing adds the finishing touch to a live or recorded performance like really good effects, so Behringer equipped the QX2442USB mixer with one of the best FX engines in the industry. Designed by the world-renowned Klark Teknik engineering team, these high-end FX processors feature 32 studio-grade presets with dual addressable parameters, tap function and storable user parameter settings. Complete with its own dedicated level meter, these effects provide a wide range of enhancement options, from sweet and mild to absolutely wild. This incredible mixer is also 'wireless-ready' right out of the box! Behringer's new Ultralink ULM200USB features two high-quality 2.4 GHz wireless mics, plus a special 2-channel receiver dongle that connects directly to a dedicated input port on the top of the mixer. This technologic breakthrough makes for seamless wireless integration that is easier and more affordable than ever. What's a Compressor Dynamic compression is a sound engineer's best friend. Compression limits the dynamic range of a signal, lowering the level of loud sounds and turning up softer sounds to achieve sonic balance. But applying compression is more difficult than you might think.