The HDR HDMI 4X1 Audio Extractor can switch any one of the four HDR HDMI Input signals to one HDR HDMI Output and one HDMI Output for audio only, plus it can do audio extract at the same time by one Toslink Audio Output port and one Headphone Audio Output port. The device can solve the compliance problem between the old AV receiver and the new HDR Source to let your AV equipment become convenient and easier use. FEATURES: Four HDR HDMI Input signal switch to one HDR HDMI Output and one HDMI Output(Audio only), Support 4K@60Hz UHD signal input and output(only output channel A) and HDR Function, Any input HD Source can do audio extract by the SPDIF or L/R audio output port, HDMI out port B can support for Dolby-HD, for DTS-HD, LPCM 7.1 high quality audio format, Digital audio port of Toslink can support 192Khz Sampling Rate(LPCM2.0 Audio Format), also can support LPCM 2.0, for Dolby-AC3, for DTS audio output, HDMI to achieve the synchronization of audio signal separation, Support ARC, it can return the TV Audio to output by one Headphone port (only for the ARC audio source is LPCM 2.0) or by Toslink port, LED Status Light shows clearly the working state, In 4K@60Hz HDMI UHD resolution, HDMI Input and Output distance can be up to 5m using the AWG24 standard HDMI Cable, Easy-Install, Need DC5V/1A power supply, Package: 5V power adapterx1, Remotex1, User manualx1