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8K HDMI™ or eARC Audio Extractor (eARC, 3.5mm, Optical) (BK-931)

$89.99 USD $139.99
SKU: BK-931

  •          HDMI Audio Extractor Non-ARC HDMI output

      ·    Video resolutions up to 8K@30Hz or 4K@120Hz

      ·    HDMI audio out formats up to Dolby Atmos or DTS:X

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30 Days Return
30 Days Return
1 Year Warranty
1 Year Warranty
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Free shipping in USA
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1. Ultimate HDMI 2.1 Audio Extractor for Home Theater

Unlock next-gen AV experiences with the BK-931, a powerful HDMI 2.1 eARC audio extractor built for modern home theaters. Supporting up to 8K@60Hz and 4K@120Hz video resolutions, it offers seamless 48Gbps FRL and 18Gbps TMDS bandwidth transmission with full compliance to HDCP 2.3 and advanced HDR formats like Dolby Vision and HDR10+.

2. Advanced Gaming & Media Support

The BK-931 delivers cutting-edge HDMI 2.1 features such as VRR, ALLM, QMS, QFT, and SBTM, providing responsive gameplay and smooth content transitions. Whether you're a gamer or a cinephile, this 8K audio extractor guarantees ultra-clear video with low latency and enhanced visual depth.

3. Flexible Audio Extraction & Multi-Port Output

Extract immersive audio like Dolby Atmos, DTS:X, or LPCM 7.1CH from either HDMI source devices or ARC/eARC-enabled TVs. The BK-931 supports multiple output interfaces—including optical (S/PDIF), 3.5mm analog, HDMI eARC, and HDMI audio-only—making it compatible with everything from HDMI eARC soundbars to traditional AV receivers.

4. Intelligent Control & Seamless Integration

With CEC passthrough, your eARC TV remote can control connected HDMI sources and soundbars. Advanced EDID management ensures compatibility across various display and audio configurations. Its compact design allows easy integration behind displays, in AV racks, or tight cabinet spaces—perfect for clean, professional setups.

BK-931: 8K eARC HDMI Audio Extractor Dolby Atmos

Key Features:

  • HDCP 2.3 compliant
  • Video resolutions up to 8K@60Hz, and 4K@120Hz
  • 48Gbps FRL & 18Gbps TMDS video bandwidth
  • HDR10+ & Dolby Vision
  • VRR, ALLM, QMS, QFT, and SBTM support
  • LPCM 7.1CH, Dolby TrueHD, Dolby Atmos and DTS-HD Master, DTS: Audio supported
  • Extract audio from a media source or an ARC/eARC TV
  • Optical, 3.5mm, HDMI eARC and HDMI Audio-only outputs for audio extraction
  • CEC control from an eARC TV to the source and eARC soundbar
  • Advanced EDID management 

The BK-931 eARC audio extractor is a flexible solution for home theatre setups that need to extract audio from a media source when using a non-eARC TV with an eARC soundbar or non-eARC amplifier. It is HDMI 2.1 and HDCP 2.3 compliant, supporting 48Gbps FRL and 18Gbps TMDS video bandwidth. It handles video resolutions up to 8K@60Hz and 4K@120Hz, with HDR10+ and Dolby Vision compatibility. It also supports HDMI 2.1 features like VRR, ALLM, QMS, QFT, and SBTM. Audio outputs include HDMI eARC, HDMI audio-only, Optical, and 3.5mm jack. CEC control lets your eARC TV control the source and soundbar. Its compact size makes it perfect for any home theatre environment.