The Comprehensive CSW-DVI440A is the 4x4 matrix switcher for routing DVI and stereo audio with resolution up to 1920 x 1200 or 1080P, supporting crosspoint switching as well as audio following or break way. It is compliant with HDCP1.3 and supports EDID, controllable via IR remote, front panel and RS232 control. It is the high performance device for the video conference rooms, educational facilities, control rooms, monitoring centers, government institutions and demonstration hall, etc. Unit comes with a 2 year warranty. Comprehensive DVI 4x4 Matrix Switcher with Stereo Audio is one of many Switchboxes available through Office Depot. Made by Comprehensive.