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Small black box with one HDMI input and two HDMI outputs

BZBGEAR

BZBGEAR 1x2 HDMI 2.1 Splitter 8K60 4K120 Auto Downscaling

SKU CH-0W22-Z73B3

Splits one HDMI 2.1 source to two displays at up to 8K60 or 4K120 with auto downscaling for mixed-resolution setups

  • TypeHDMI Splitters
  • Ports2
  • Input Connector1 x HDMI IN [Type A, 19-pin female]
  • Output Connector2 x HDMI OUT [Type A, 19-pin female]
  • Maximum ResolutionsUp to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit
  • Bandwidth48Gbps FRL and 18Gbps TMDS
  • Splits one HDMI source to two displays simultaneously
  • Handles 8K at 60Hz and 4K at 120Hz for high-end gaming
  • Auto downscales 8K to 4K or 1080P per output
  • Supports VRR, ALLM, QMS, QFT and SBTM protocols
  • Passes HDR, HDR10, HDR10+, Dolby Vision and HLG

What it does and who needs it

The BZBGEAR 1x2 HDMI 2.1 Splitter takes a single HDMI source and sends it to two displays at once. It handles up to 8K at 60 Hz and 4K at 120 Hz with 48 Gbps bandwidth. HDCP 2.3 compliance keeps protected content flowing. The unit is new and built for installations that need identical signals on two screens.

Good fit — and when to look elsewhere

Works well for gamers using Xbox or PS5 consoles who want the same 4K 120 Hz image on two monitors. Home-theatre owners with an 8K source and two displays also benefit. Auto downscaling lets a 1080p screen stay in the chain without forcing the other output down. Buyers who need more than two outputs or who require a matrix switch should look at a different product class.

Sustained-load behaviour

The splitter maintains 48 Gbps FRL signalling continuously, not just in short bursts. EDID management and cable equalisation keep the link stable during long gaming sessions or all-day signage loops. Both outputs stay active at the negotiated resolution without dropouts. The compact chassis dissipates heat passively so performance does not throttle over time.

Highlights

  • Splits one HDMI source to two displays simultaneously
  • Handles 8K at 60Hz and 4K at 120Hz for high-end gaming
  • Auto downscales 8K to 4K or 1080P per output
  • Supports VRR, ALLM, QMS, QFT and SBTM protocols
  • Passes HDR, HDR10, HDR10+, Dolby Vision and HLG

Specifications

TypeHDMI Splitters
Ports2
Input Connector1 x HDMI IN [Type A, 19-pin female]
Output Connector2 x HDMI OUT [Type A, 19-pin female]
Maximum ResolutionsUp to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit
Bandwidth48Gbps FRL and 18Gbps TMDS

Questions about this item

What HDMI cables and source device do I need to run the splitter at 8K60 or 4K120?

Use HDMI 2.1 certified cables rated for 48Gbps FRL and a source that outputs HDMI 2.1 at 8K@60Hz 4:2:0 12-bit or 4K@120Hz 4:4:4 12-bit.

Will the auto downscaling let me keep a 1080P display on one output while the other shows 8K or 4K120?

Yes, the splitter automatically downscales 8K to 4K or 8K/4K to 1080P on each output independently, so mixed-resolution displays work together.

How can I confirm the splitter is passing HDR, VRR and ALLM correctly after I connect it?

Check the display's info menu for HDR, HDR10, HDR10+, Dolby Vision or HLG flags, and verify VRR, ALLM, QMS, QFT and SBTM are active in the source device's video settings.

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