M Audio M-Track Plus USB Audio: * Digital audio, analog audio and MIDI functionality unites your computer-based music studio * USB-powered * Phantom power plus guitar-level switching * Insert jack on each channel * In addition to the 2 audio channels, M-Track also supports 16 channels of MIDI data and timing information * 24-bit/48kHz digital audio processing * Zero-latency audio monitoring * S/PDIF coaxial digital input and output * Durable aluminum shell for on-the-go use * Engineered for low laptop battery drain * 2 XLR mic inputs with selectable phantom power * 2 balanced 1/4" line inputs with guitar-level switching * 2 TRS 1/4" inserts, 1 per input channel * Balanced 1/4" main outputs with level control * Headphone out with independent level control * Convenient single USB cable data and power connection * Includes Ignite by AIR and Avid Pro Tools Express with iLok USB key