BK-931 eARC Audio Extractor is a versatile solution designed for home theater systems requiring audio extraction from media sources, especially when using a non-eARC TV paired with an eARC soundbar or a non-eARC amplifier. Fully compliant with HDMI 2.1 and HDCP 2.3 standards, it supports ultra-high video bandwidths of 48Gbps FRL and 18Gbps TMDS, enabling seamless transmission of video resolutions up to 8K@60Hz and 4K@120Hz. The device also ensures compatibility with advanced HDR formats including HDR10+ and Dolby Vision. Featuring support for key HDMI 2.1 functionalities such as Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), Quick Media Switching (QMS), Quick Frame Transport (QFT), and Source-Based Tone Mapping (SBTM), the BK-931 delivers a smooth, immersive viewing experience. Audio performance is equally robust, with support for LPCM 7.1 channel, Dolby TrueHD, Dolby Atmos, DTS-HD Master Audio, and DTS:X formats. The unit allows audio extraction directly from the media source or via ARC/eARC-enabled TVs. It offers multiple audio output options including Optical, 3.5mm analog, HDMI eARC, and HDMI audio-only ports for flexible connectivity.