Biamp TesiraFORTE DAN VT4 Fixed I/O DSPThe TesiraFORT DAN VT4 is a digital audio server with 4 analog inputs and 4 analog outputs, and includes Acoustic Echo Cancellation (AEC) technology on all 4 inputs. It includes up to 8 channels of configurable USB audio, a 2 channel VoIP interface, a standard FXO telephone interface, and Dante digital audio networking. The TesiraFORT DAN VT4 complies with the United States Trade Agreement Act (TAA), allowing it to be included in GSA Schedule