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Compact black metal box with one HDMI input, two HDMI outputs, optical and 3.5mm audio ports

BZBGEAR

BZBGEAR 1x2 8K HDMI 2.1 48Gbps Splitter with Audio De-Embedding

SKU CH-B76C-NMRF9

Splits one HDMI 2.1 source to two displays at up to 8K 60 Hz or 4K 120 Hz with 48 Gbps bandwidth and extracts audio via optical and 3.5 mm outputs

  • TypeHDMI Splitters
  • Input Connector1 x HDMI IN [Type A, 19-pin female]
  • Output Connector2 x HDMI OUT [Type A, 19-pin female] 1 x OPTICAL [S/PDIF] 1
  • Maximum ResolutionsUp to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit
  • Bandwidth48Gbps FRL and 18Gbps TMDS
  • 8K 60 Hz and 4K 120 Hz visuals via 48 Gbps bandwidth
  • HDCP 2.3 secures playback from streaming devices and consoles
  • HDR10+ and Dolby Vision pass-through for deeper contrast
  • VRR and ALLM reduce lag and screen tearing
  • Optical and 3.5 mm outputs extract audio to external systems

1x2 8K HDMI 2.1 Splitter

The BZBGEAR BG-8K-DA12A-G2 is a 1x2 HDMI 2.1 splitter that duplicates a single source signal to two displays at up to 48Gbps bandwidth. It supports 8K resolution at 60Hz and 4K at 120Hz with 12-bit colour depth and full HDR pass-through including Dolby Vision and HDR10+. HDCP 2.3 compliance ensures protected content plays without handshake issues.

Installers needing audio extraction

This unit suits integrators and enthusiasts who must send one 8K or high-refresh 4K source to two screens while simultaneously feeding an external audio system via optical S/PDIF or 3.5mm analogue outputs. Gamers benefit from VRR, FVA and ALLM support for tear-free, low-latency play. It is not for buyers who require more than two HDMI outputs or who need to switch between multiple sources rather than split one.

48Gbps FRL bandwidth with HDCP 2.3

The single specification that decides fit is the 48Gbps Fixed Rate Link bandwidth combined with HDCP 2.3 compliance. This capacity carries uncompressed 8K60 4:2:0 or 4K120 4:4:4 signals to both outputs simultaneously. If the source or displays operate only at 18Gbps TMDS speeds the splitter will still function, but the 48Gbps headroom is what guarantees artefact-free 8K and 4K120 HDR distribution.

Highlights

  • 8K 60 Hz and 4K 120 Hz visuals via 48 Gbps bandwidth
  • HDCP 2.3 secures playback from streaming devices and consoles
  • HDR10+ and Dolby Vision pass-through for deeper contrast
  • VRR and ALLM reduce lag and screen tearing
  • Optical and 3.5 mm outputs extract audio to external systems

Specifications

TypeHDMI Splitters
Input Connector1 x HDMI IN [Type A, 19-pin female]
Output Connector2 x HDMI OUT [Type A, 19-pin female]
1 x OPTICAL [S/PDIF]
1 x L/R [3.5mm Stereo Mini-jack]
Maximum ResolutionsUp to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit
Bandwidth48Gbps FRL and 18Gbps TMDS

Questions about this item

Should I choose the optical or 3.5mm audio output for my sound system?

Use the optical S/PDIF output for multi-channel surround formats or the 3.5mm stereo jack for two-channel analog audio; both de-embed audio simultaneously from the HDMI stream.

What does the 48Gbps bandwidth actually deliver on my display?

It carries 8K at 60Hz 4:2:0 12-bit or 4K at 120Hz 4:4:4 12-bit, plus HDR10+, Dolby Vision, HLG and gaming features such as VRR and ALLM.

How does the HDMI 2.1 interface limit cable length in practice?

The 48Gbps FRL signal typically requires certified ultra-high-speed cables up to about 3 metres; longer runs need active optical cables to maintain full 8K60 or 4K120 performance.

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