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Small black metal box with HDMI ports on both sides

SIIG, Inc

SIIG, Inc CE-H27N11-S1 1x2 HDMI Splitter 8K60Hz

SKU CH-5DDB-F2NRR MPN CE-H27N11-S1

Splits one HDMI signal to two displays at up to 8K 60 Hz with HDCP 2.3, HDR10 and VRR/ALLM support

  • SpecificationsVideo HDMI 1x input, 2x output Resolution 7680 x 4320@60Hz 4
  • FeaturesSplits one HDMI signal to two HDMI Displays simultaneously,
  • Splits one source to two displays simultaneously with 8K 60 Hz resolution
  • Enables 4K 144 Hz gaming via copy mode for high-refresh monitors
  • Downscaler lets each screen show its best supported resolution automatically
  • EDID management ensures reliable handshake and stable signal on both outputs
  • Passes HDR10 and 7.1-channel audio for full home-theatre quality

1x2 HDMI Splitter for 8K Displays

The SIIG CE-H27N11-S1 takes a single HDMI source and duplicates it across two screens at the same time. It handles resolutions up to 7680 x 4320 at 60 Hz and 3840 x 2160 at 144 Hz. The unit supports HDCP 2.3, HDR 10 and LPCM 7.1 channel audio with DTS-HD and Dolby TrueHD passthrough. It is built for home-theatre owners and installers who need identical output on two displays.

Plug-and-play with EDID copy mode

Connect the source to the single input and two displays to the outputs; no software driver is required. The splitter includes EDID management and a Copy mode that reads the sink on HDMI Out 1 to ensure the best common resolution. A frequent issue arises when the two displays support different maximum resolutions — the Copy mode forces the lower common denominator so both screens show an image.

Check source bandwidth and cable length

Verify that your source device can output the desired resolution and refresh rate within the 40 Gbps link budget. Both HDMI cables must be rated for the target bandwidth; long passive cables may fail at 8K 60 Hz or 4K 144 Hz. CEC control is only active on HDMI Out 1, so the second display will not relay remote commands back to the source.

Highlights

  • Splits one source to two displays simultaneously with 8K 60 Hz resolution
  • Enables 4K 144 Hz gaming via copy mode for high-refresh monitors
  • Downscaler lets each screen show its best supported resolution automatically
  • EDID management ensures reliable handshake and stable signal on both outputs
  • Passes HDR10 and 7.1-channel audio for full home-theatre quality

Specifications

BrandSIIG, Inc
ModelCE-H27N11-S1
Part NumberCE-H27N11-S1
SpecificationsVideo
HDMI 1x input, 2x output
Resolution 7680 x 4320@60Hz
4096 x 2160@60Hz / 30Hz / 24Hz
3840 x 2160@144Hz / 120Hz / 60Hz / 50Hz / 30Hz / 24Hz
3440 x 1440@100Hz / 60Hz
2560 x 1600@60hz / 30Hz
2560 x 1440@100Hz / 60Hz
2048 x 1536@60Hz / 50Hz / 30Hz
1920 x 1080 / 1680 x 1050 / 1600 x 900 / 1400 x 900 / 1280 x 1024 / /1280 x 800 / 1280 x 720 / 1024 x 768 / 800 x 600 / 640 x 480p@60Hz
HDCP 2.3/2.2/1.4
HDR 10 / 10+
Color deep 36-bit (12-bit per channel)
Video Bandwidth up to 40Gbps
Audio
HDMI Dolby 5.1/7.1 and Atmos (need to copy TV EDID), DTS 5.1/7.1, and PCM 2/5.1/7.1
EDID Switch
Easil
FeaturesSplits one HDMI signal to two HDMI Displays simultaneously, supports Ultra HD resolution up to 8K@60Hz, 4K@144Hz (via Copy mode), 4K@120Hz, also supports HDCP 2.3, HDR 10, CEC control on HDMI Out 1
Shipping weight0.24 kg
Package size191 × 127 × 51 mm

Questions about this item

How can I confirm the CE-H27N11-S1 is passing an 8K 60 Hz signal to both displays after I connect everything?

Verify that each display reports 7680 x 4320 at 60 Hz in its on-screen information menu and that HDR 10 content plays without dropouts on both screens.

What comes in the box with the CE-H27N11-S1 and which cables or power supplies must I purchase separately?

The splitter unit is included; you will need to supply three HDMI cables (one for the source, two for the displays) and a compatible DC power adapter as the unit does not draw power from the HDMI ports.

Should I choose the Copy EDID mode or the Down-scaler mode when one display is 8K 60 Hz and the other is 4K 120 Hz?

Use the Down-scaler mode so the 8K source is automatically scaled to 4K 120 Hz for the second display while the first display receives the native 8K 60 Hz signal.

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