Mixer with USB Connections The Behringer Xenyx QX1204USB is a versatile mixer with a wide range of features. In addition to the built-in USB interface, the Xenyx USB mixers come with extensive recording and editing software to transform your computer system into a complete high-quality recording studio. Dynamic Compression at the Push of a Button With the press of a single button, you can easily set the desired compression ratio for instruments or vocals on the device, resulting in a powerful, transparent mix. This makes compression user-friendly for beginners. High-Quality Multi-Effect Processor The device features an effect processor with an LCD display and 32 editable presets. Among these, you will find reverb, chorus, flanger, delay, pitch shifter, as well as various multi-effects. Time-dependent functions can also be manually adjusted via a tap potentiometer. Connection to Computer and Ultralink Microphones Thanks to USB interfaces, this mixer can be directly connected to a Mac or PC. Now, any signal input source connected to the mixer can be played and saved directly to the hard drive of the connected PC or Mac. Additionally, Behringer's wireless Ultralink microphones are supported via the USB interface.