OREI eARC 4K 120Hz Audio Extractor, Converter Soundbar ARC Support, HDCP 2.3 - Dolby Atmos, HDR10+, Dolby Digital/DTS Passthrough Dolby Vision for Sonos Bose Speakers, 3.5mm, Optical (BK-931)

["Extract Audio from HDMI Media or Smart TV via eARC – Easily extract high-quality audio from your Smart TV or HDMI source to a soundbar or AV receiver using HDMI or eARC pass-through; supports Dolby Atmos, Dolby TrueHD, DTS-HD Master Audio, and more. Auto eARC detection ensures seamless switching between TV apps and external devices—perfect for Apple TV, Roku, PS5, Xbox Series X, Blu-ray players, and other HDMI setups requiring advanced audio output.","8K@60Hz & 4K@120Hz Ultra HD Support with HDMI 2.1 – Supports full HDMI 2.1 bandwidth up to 48Gbps (FRL) and 18Gbps (TMDS), with resolutions up to 8K@60Hz and 4K@120Hz; compatible with HDR10+, Dolby Vision, VRR, ALLM, QMS, and SBTM for next-gen video performance. HDCP 2.3 and DVI compliant for seamless integration with modern devices.","Complete HDMI & eARC Audio Extractor – Extract premium audio through HDMI, eARC, AMP, Optical, or Analog outputs; supports full audio formats including LPCM, Dolby Digital/Plus/EX, Dolby TrueHD, Dolby Atmos, DTS, DSD, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, and DTS:X. Optical output supports PCM 2.0CH, Dolby Digital, DTS 5.1CH; Analog output supports PCM 2.0CH—ideal for connecting soundbars, receivers, and legacy audio systems.","Important Incompatibility Notice – Optical port supports up to 5.1 channels only and does not downmix 7.1 surround sound, which may cause audio loss when using 7.1 sources with 5.1 devices. Not compatible with earphones or audio systems lacking independent volume control, as the unit has no built-in volume adjustment. Older HDMI sources (e.g., Xbox 360, PS3) may experience audio issues. For proper functionality, connect the OUT TV port to an eARC-compatible TV and the OUT Soundbar port to the soundbar’s audio input. Recommended HDMI Cable - High Quality Ultra HDMI 2.1 upto 10 Feet for 8K Resolution.","1-Year Warranty & Complete Package – Backed by a full 1-year OREI warranty for peace of mind; package includes the BK-931 Audio Extractor, 100–240V power adapter, and user manual for quick and easy setup."]