Specification :

4x4 (4 by 4) HDMI True Matrix switcher: 4 HDMI in and 4 HDMI out. With IR Remote Control and RS232. Support 1 source to be displayed on 1,2,3 or 4 displays simultaneously.
4 x 4 HDMI matrix switcher is real HDMI V1.3b;
HDCP compliant;
Support high definition resolutions 1080p, 1080i, 720p, 720i and standard video format;
Multiple witching modes: IR remote control, operate manually or operate via RS232 port;
With IR extender: enlarge remote control signal;
Rack-mountable: with neccessary accessaries;
Input video signal: 0.5-1.0 volts p-p;
Input DDC signal: 5 volts p-p (TTL);
Audio: LPCM,Dolby-AC3, DTS7.1, DSD/Dolby TrueHD/DTS-HD master Audio;
HDMI video color format: deep color 24bit/36bit;
Maximum transmission distance: < 15m (if needed, HDMI extender is optional);
Power consumption: 36W (maximum);
Power supply: 12V DC, 3A;
Upgrade new version or debug via RS232 serial port;
Dimensions: 440 x 55 x 200mm;
Net weight: 2.9kg;
Shipping weight: 5kg.

catherine at lenkeng.com