The ESI ESU1808 (ESU 1808) is a new USB 2.0 Hi-Speed audio interface for Mac & PC. ESI's new USB 2 Xtreme technology boosts USB audio to a new level, providing better performance for better results.
ESI ESU1808 Specification: The 1U rack unit comes with not less than 18 input channels, 2 of them are high quality microphone preamps with balanced XLR inputs and +48V phantom power, 2 of them allow a direct connection of instruments (Hi-Z), 4 line inputs on the front for unbalanced and 8 line inputs on the rear for balanced signals and there is a coaxial S/PDIF input. There are 8 balanced analog output channels, one channel pair is also provided as coaxial S/PDIF output. Last but not least ESI ESU1808 comes with a MIDI I/O port providing 16 input and 16 output channels.