HDMI 4K (18Gbps) Audio Extractor With HDCP Dolby Atmos, And
HDMI 5.1 Audio Converter Decoder DAC DTS AC3 FLAC PCUSB APE 4K*2K HDMI to HDM | eBay
16X16 HDMI Matrix switch 4K,HDCP HDR RS232/LAN Control TESmart
Amazon.com: HDMI 5.1 Audio Decoder, Digital to Analog Audio Converter, Optical Fiber Coaxial Source Code to Stereo Output, Support DTS/DTS-ES/AC3/ DTS-HD/DolbyTrue HD : Electronics
1080P HD Dolby DTS PCM 5.1 7.1 To Optical Digital Audio Converter Decoder | eBay