Extract eARC audio from your external source or an ARC TV. OREI eARC 8K Audio Extractor, Extract Dolby Atmos Convert Sound bar 4K @ 120hz 18G HDMI 2.0 ARC Support HDCP 2.2 Perfect for 8K Monitors, HDR, Dolby Vision, HDR10 Support Sonos Bose (BK-929).