8K HDMI™ or eARC Audio Extractor (3.5mm, Optical)-BKA-1
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Audio extraction through S/PDIF and L/R audio output
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Video resolutions up to 8K@60Hz, 4K@120Hz
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ARC/eARC support for TV
*Overnight shipping doesn't include Weekends, or any holidays.
Next-Gen HDMI 2.1 Audio Extraction for High-End AV Systems
The BKA-1 HDMI Audio Extractor is engineered for cutting-edge 8K and 4K AV setups. Supporting up to 48Gbps FRL bandwidth, it de-embeds audio from HDMI 2.1 sources or ARC-enabled TVs and routes it to analog L/R and digital S/PDIF outputs—ideal for legacy amplifiers or sound systems without HDMI inputs.
8K@60Hz and 4K@120Hz Video with Premium HDR
Experience uncompressed ultra-high-speed video up to 8K@60Hz and 4K@120Hz, with full pass-through for HDR10, HDR10+, Dolby Vision, and HLG. Whether for home theaters, gaming, or commercial displays, this 8K audio extractor delivers future-proof performance.
Supports eARC/ARC and HDMI Audio Extraction
Extract high-fidelity sound from both HDMI inputs or ARC-enabled TVs with simultaneous output to analog stereo and S/PDIF optical. Compatible with Dolby Atmos, Dolby TrueHD, DTS:X, and more, this unit works flawlessly as an eARC HDMI audio extractor—including use with systems like Sonos Arc.
Smart EDID, CEC & Installer-Friendly Features
Advanced EDID management ensures optimal handshake and compatibility across devices, while CEC control lets users manage input sources via their TV remote. The compact, installer-friendly design makes it perfect for rack mounting, tight spaces, or hidden setups behind displays.
OREI BKA-1: 48Gbps 8K Audio Extractor with S/PDIF and L/R output, Dolby Vision
Key Features:
- HDMI 2.1 & HDCP 2.3 Compliant – Ensures full compatibility with next-generation displays, sources, and protected content.
- Supports 48Gbps FRL & 18Gbps TMDS Bandwidth – Handles uncompressed ultra-high-speed video for pristine performance at the highest resolutions and frame rates.
- Up to 8K@60Hz & 4K@120Hz Video Support – Delivers breathtaking clarity and smooth motion, ideal for gaming, streaming, and professional AV environments.
- Advanced HDMI 2.1 Features – Supports VRR, ALLM, QMS, QFT, and SBTM for responsive gameplay and dynamic display optimization.
- HDR Format Pass-Through – Compatible with HDR10, HDR10+, Dolby Vision, and HLG for vivid contrast and lifelike color reproduction.
- High-End Audio Support – Passes LPCM 7.1, Dolby TrueHD, Dolby Atmos, DTS-HD Master Audio, and DTS:X.
- HDMI & ARC Audio De-Embedding – Extracts audio from either HDMI input or ARC-enabled TV to both digital (S/PDIF) and analog (L/R) outputs.
- CEC Control Support – Allows TV remote or other CEC-enabled devices to control connected input sources.
- Advanced EDID Management – Optimizes handshaking between sources and displays for maximum stability and compatibility.
- Compact, Installer-Friendly Design – Slim footprint ideal for AV racks, tight spaces, or discreet behind-the-TV installations.
The BKA-1 HDMI 2.1 Audio De-Embedder is a compact and versatile solution for extracting high-quality audio from the latest 8K HDMI sources or ARC-enabled TVs. Supporting up to 48Gbps FRL bandwidth, this unit is fully compliant with HDMI 2.1 and HDCP 2.3, making it suitable for modern Ultra HD installations with high-frame-rate video like 8K@60Hz and 4K@120Hz.
It allows audio to be extracted from either an HDMI input source or from a TV via ARC, routing it to both analog stereo (L/R) and digital S/PDIF outputs—perfect for connecting to older amplifiers or audio systems that lack HDMI inputs. The BKA-1 also supports the latest HDMI 2.1 features such as VRR, ALLM, QMS, QFT, and SBTM, along with HDR10+, Dolby Vision, and HLG pass-through for a rich audiovisual experience.
Ideal for custom installations, this unit includes advanced EDID management, CEC control, and a compact form factor, providing maximum flexibility and reliability in any high-performance AV setup.
BKA-1 User Manual Download
BKA-1 Specifications Sheet
Comparison Chart
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| Model Name | BKA-1 | HDA-912 | BK-927 | HDA-913 | BK-4927 | DA41 | BK-931 |
| Max. Resolution | 8K@60Hz, 4K@120Hz | 4K@60Hz | 8K@60Hz, 4K@120Hz | 4K@60Hz | 8K@60Hz, 4K@120Hz | - | 8K@60Hz, 4K@120Hz |
| Input Signal | HDMI, ARC/eARC | HDMI | HDMI, ARC/eARC | HDMI | 4x HDMI, ARC/eARC | ARC/eARC | HDMI, ARC/eARC |
| Audio Output | Optical (SPDIF), 3.5mm | Optical (SPDIF), 3.5mm | HDMI Audio | Optical (SPDIF), RCA 2.0 | HDMI Audio, Optical, 3.5mm | Optical (SPDIF), Coaxial | eARC, HDMI Audio, Optical, Aux |
| Dolby/DTS Downmix Decoder | ❌ | ❌ | ❌ | ✔️ | ❌ | ❌ | ❌ |
| eARC Bridge - Dedicated eARC | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✔️ |
| Best for | 8K/eARC to Optical / Analog | 4K to Optical / Analog | 8K/eARC to Non-ARC HDMI AVR | HDMI to RCA/Optical (Downmix) | 8K/eARC to Non-ARC HDMI AVR | TV ARC/eARC to Digital Audio | eARC Output for Non-eARC TVs |
