Description: The Audio Return Channel (ARC) lets you connect your TV and audio system with a single High Speed HDMI cable and eliminates the need for an additional composite audio or optical cable. Remarks: 1)this HD ARC is not a HDMI audio extractor, it can not extract audio from the HDMI video source. 2)pls make sure your TV has at least one HDMI port which was marked with ARC or EARC.
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