Reddit reviews Skycrop 4K@60Hz HDMI Switch Audio Extractor Splitter with Remote, 3 Port HDMI Switcher with Optical Toslink SPDIF & RCA L/R Audio Out, Support UHD, HDR10, Dolby Vision, Atmos, 18Gbps, ARC

【A True 4K HDMI Audio Extractor】Add 3 more HDMI 2.0 ports to your UHD TV/monitor/projector, meanwhile extract/split audio from HDMI IN, output it via optical SPDIF or RCA L/R to external stereo/surround sound system【A Perfect Solution】 Suitable for speakers/amplifiers/sound bars that do not have HDMI input, also for UHD source devices that do not have dedicated audio output, such as PS4 Pro, Xbox One S/X, UHD Blu-ray player, Apple TV 4K, Roku Ultra, New Fire TV, etc.【Outstanding Features】Support up to Ultra HD 4096×2160@60fps 8Bit YCbCr4:4:4, HDCP2.2, CEC, ARC (Audio Return Channel requires TV’s HDMI port to be ARC capable)【Three Audio EDID Settings】2CH for 2CH analog stereo out (through L/R jack & optical & HDMI port), 5.1CH for 5.1CH digital surround out (through optical SPDIF & HDMI port), PASS for 7.1CH out (through HDMI port)【Easy Switch】Supports auto switch, manual switch by IR remote or pressing button; auto switch function can be turned off