The compact art USB Mix is a 3K mixer and USB audio interface, ideal for home or mobile studios. The mixer has an XLR 1/4" combo jack input that can support microphone, instrument or line signals, allowing you to connect your favorite microphone or instrument. The input provides condenser microphones with 48 V phantom power. There is also a pair of 1/4" TRS inputs for stereo or mono line level sources, ideal for connecting CD players, MP3 players, cassette decks and similar devices. The integrated audio interface converts oge input signals into digital signals that can be sent to your computer via the USB port to record and edit your songs. Independent gain and level controls are provided for each input, main output and headphone output. For added versatility, the USB playback switch allows you to monitor your computers output through channels 2 and 3.