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OREI BK-931 8K HDMI eARC/Optical Audio Extractor/Converter

BH #ORBK931 • MFR #BK-931
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OREI BK-931 8K HDMI eARC/Optical Audio Extractor/Converter
Key Features
  • Extracts Audio from HDMI 2.1 Sources
  • Resolutions up to 8K60 & 4K120
  • Supports Multichannel Digital Formats
  • CEC Passthrough, HDR10+ & Dolby Vision
Extract audio from HDMI 2.1 signals with the BK-931 8K HDMI eARC/Optical Audio Extractor/Converter from OREI. Designed for simple, plug-and-play functionality in a heavy-duty black metal enclosure, the BK-931 delivers reliable eARC audio extraction with support for multichannel digital formats, such as PCM 2.0, Dolby 5.1, DTS 5.1, and more. The versatile device is compatible with PlayStation 5, Xbox, and Amazon Fire TV, as well as cable boxes, Blu-ray and DVD players, and most computer systems.
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OREI BK-931 Overview

Extract audio from HDMI 2.1 signals with the BK-931 8K HDMI eARC/Optical Audio Extractor/Converter from OREI. Designed for simple, plug-and-play functionality in a heavy-duty black metal enclosure, the BK-931 delivers reliable eARC audio extraction with support for multichannel digital formats, such as PCM 2.0, Dolby 5.1, DTS 5.1, and more. The versatile device is compatible with PlayStation 5, Xbox, and Amazon Fire TV, as well as cable boxes, Blu-ray and DVD players, and most computer systems.

HDMI 2.1 Audio Extractor for Home Theater
The BK-931 unlocks next-gen AV experiences with powerful HDMI 2.1 eARC audio extraction built for modern home theaters. Supporting up to 8K60 and 4K120 video resolutions, it offers seamless 48 Gb/s FRL and 18 Gb/s TMDS bandwidth transmission with full compliance with HDCP 2.3 and advanced HDR formats like Dolby Vision and HDR10+.
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.
Flexible Audio Extraction & Multi-Port Output
Extract immersive audio like Dolby Atmos, DTS:X, or LPCM 7.1 from either HDMI source devices or ARC/eARC-enabled TVs. The BK-931 supports multiple output interfaces, including optical (SPDIF), 3.5mm analog, HDMI eARC, and HDMI audio-only, making it compatible with everything from HDMI eARC soundbars to traditional AV receivers.
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, making it ideal for clean, professional setups.
UPC: 850031132887

OREI BK-931 Specs

General
Audio Format
LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos, DTS, DSD, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DTS:X, PCM 2.0
Inputs/Outputs
USB I/O
1 x USB-C (Firmware Only) Female Input
Video I/O
1x HDMI 2.1 Input
1x HDMI 2.1 Output ( eARC TV )
1x HDMI 2.1 Output ( eARC Soundbar )
1x HDMI 2.1 Output ( Amp Audio Out )
Audio I/O
1x TOSLINK S/PDIF Output
1x 1/8" / 3.5 mm Line Output
Power
Power Source
AC Adapter with Power Brick (Built-In)
AC Input Power
100 to 240 VAC, 50 / 60 Hz
DC Input Power
5 VDC at 2 A
Power Consumption
5.2 W (Maximum)
Physical
Color
Black
Material of Construction
Metal
Certifications
CE, FCC, UL
Operating Conditions
32 to 104°F / 0 to 40°C at 20 to 90% Humidity
Storage Conditions
-4 to 140°F / -20 to 60°C at 20 to 90% Humidity
Dimensions
5.7 x 2.7 x 0.7" / 145 x 68 x 18 mm
Weight
9.2 oz / 262 g
Packaging Info
Package Weight
1.08 lb
Box Dimensions (LxWxH)
8.4 x 5.2 x 2.8"

OREI BK-931 Reviews

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