HDMI 4 Ports Switcher w/ Toslink Audio + Coaxial Audio & 3.5mm Stereo It is know that the most benefit of the HDMI is to integrate the audio and video signals together. This integration makes all of us enjoy the high quality of the audio and video effect. Awfully the bad effect of the HDTV audio deprives the basic right of the enthusiasts. Fortunately, we have this new product eventually, not only to meet the ideal image of the HDTV but also to meet the need of the enthusiasts requirement for audio. Because it separates the audio signal from the HDMI interface, then transmit to the amplifier by Stereo, Toslink or COAX (RCA). This Switcher has one input port on the front panel, which reduced the switcher to an ideal small size and provides convenience for users to connect portable devices. One input port on the front panel is specialized for portable devices.  Supports digital audio output simultaneously: Stereo, Toslink and COAX.  Supports highest video resolution 1080p. Supports 225MHz/2.25Gbps per channel (6.75Gbps all channel) bandwidth.  Supports 12bit per channel (36bit all channel) deep color.  Supports HDCP. Supports uncompressed audio such as LPCM.  Supports compressed audio such as DTS Digital, Dolby Digital (including DTS-HD and Dolby True HD).