The Saffire 6 USB from Focusrite is a 6 channel USB audio and MIDI computer interface that's compatible with both Windows and Mac operating systems. It's designed to be a full-featured USB recording solution for home studios, mobile recording, as well as an excellent interface for laptop DJs. It comes with two high quality microphone preamps, a suite of recording software (with instruments, effects, and audio loops), and an ample amount of outputs that enable you to patch multiple channels through a DJ mixer.
Focusrite has been a leader in professional audio design since the 1980's, and the Saffire 6 USB is among the most affordable pieces of equipment they've ever produced. Even though the Saffire 6 USB is inexpensive, its audio performance and the quality of its preamplifiers are still held to stringent standards. The two FET-based preamps in the Saffire 6 USB offer low noise, low distortion, and a very transparent sound free of coloration.
The two inputs on the Saffire 6 USB can handle microphones (and provide +48V of phantom power for condenser microphones), line-level signals, and be switched to accept instrument inputs for the direct recording of guitars and basses. There are six audio outputs on the rear, with a pair of balanced 1/4" TRS outputs for studio monitors, and four RCA jacks that can be used for patching multiple signals into a mixing board. The headphone output on the front of the Saffire 6 USB can be switched to monitor the different sets of outputs.