Shenzhen Aikexin Electronics Co.,Ltd is one of the leading China 4x4 HDMI matrix manufacturers and suppliers,Website:://.szaikexin.com, and also a professional company. 1.Input: 4*HDMI 1 RS232 2.Output: 4*HDMI 3. HDMI 1.3V support 1080P 3D 4. Resolution up to 1920X1080P 24/60Hz; 5. Packing with one remote control one user manual One DC5V power adapter one CD one item, in netural color box Features: 1.Four HDMI 1.3 input signals switched or split to four HDMI 1.3 sink devices 2.HDCP 1.2 protocol compliant 3.Support CEC 4.Support deep color 30bit, 36bit 5.upport Blue-Ray 24/50/60fs/HD-DVD/xvYCC 6.Digital audio format, as DTS-HD/Dolby-trueHD/LPCM7.1/DTS/Dolby-AC3/DSD 7.Support signal retiming 8.Support input up to 15metres AWG26 HDMI 1.3 standard cable length,output up to 20metres AWG26 cable length 9.Inputs can be switched with the IR remote control,also can be controlled by four buttons. 10.Serial RS-232 remote port 11.It can smartly jump over those input sources which are not connected. 12.With the smart function of memory, it can come back to the latest status when restarted or reconnected. 13.No loss of quality 14.Installs in minutes 15.Need DC5V/4A or DC12V power supply