M1USB is a compact, two-channel scratch mixer with USB audio I/O. It is perfect for any DJ who needs to mix different sources, integrate computer audio, and record sets straight to computer, all in a small amount of space. You can plug in turntables, CD players, and any other line-level music source, as well as a microphone. M1USB's easy, on-the-fly connection to laptops enables you to take advantage of audio input and output for recording to your Mac or PC and mixing in MP3s and other audio files.