4 Port HDMI v1.3 Switch 4x1 Switcher Remote AUX Coaxial toslink outputs 3D 1080P Support high definition resolution 1080p and 3D Support 12bit per channel (36bit all channel) deep color Support compressed & uncompressed audio formats including 7.1CH LPCM, DTS, Dolby Digital, DTS-HD Master Audio and Dolby True HD The 3.5mm/coaxial/toslink audio output make the HDMI switcher work perfect with your home theater Mini size occupies minimum space Note:this item does not support Sky TV Box