M-Audio Fast Track Pro 4x4 Mobile USB Audio MIDI Interface with Preamps

The Fast Track Pro delivers all the mobile recording flexibility of the Fast Track USB, plus even more professional features. You get 2 front-panel mic/line inputs complete with phantom power for condenser microphones, inserts for outboard effects balanced and unbalanced analog outputs, S/PDIF digital I/O, MIDI I/O, and more. Fast Track Pro also features near-zero latency direct hardware monitoring and low-latency ASIO software monitoring, plus an A/B source switch and dual output pairs for DJ-style cueing. Fast Track Pro is compatible with most popular Windows PC and Macintosh music software. USB connection and bus power along with class compliancy for Mac OS X make it a breeze to set up. Headphone output (¼? TRS) with level control Headphone A/B source switch for DJ-style cueing Input/playback mix control for hardware direct monitoring Mono switch for input/playback direct monitoring Master output level control Near zero-latency hardware direct monitoring Low-latency ASIO software monitoring USB connection to computer Powered via USB or optional AC power adapter Kensington lock port Mac and PC compatible; class compliant with Mac OS X 10.3.9 and higher / works with Windows XP (SP2); (Windows 2000, 98, 98SE, ME & NT not supported) Microphone Input Impedance - 2.7k Ohms unbalanced, 5.4k Ohms balanced Musical Instrument Input Impedance - >220k Ohm, unbalanced Line Inputs (A/D) - Input Impedance 20k Ohms balanced and unbalanced Line Outputs (D/A) - Output Impedance 150 Ohms unbalanced, 300 Ohms balanced Headphone output  more