HDMI Stereo Audio Extractor Converter 4K 2K HDMI to HDMI + Optical SPDIF 3.5mm. 1x HDMI audio extractor. HDMI resolution: 4k x 2k. spdif output supports 2 ch audio and 5.1 ch audio, including Dolby Digital 5.1 ch and dts 5.1 ch.
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