One HDMI 1.4a input signal split to four HDMI 1.4a sink devices Support 3D Support 4K*2K resolution Support CEC Support deep color 30bit, 36bit, 48bit Support Blue-Ray 24/50/60fs/HD-DVD/xvYCC Digital audio format, as DTS-HD/Dolby-trueHD/LPCM7.1/DTS/Dolby-AC3 DSD/HD(HBR) Support signal retiming Support input up to 15metres AWG26 HDMI standard cable length, output up to 20metres AWG26 cable length No loss of quality Installs in minutes