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Small black metal box with four HDMI inputs and one output, front button and IR sensor

SMUGDESK

SMUGDESK 4×1 HDMI 2.1 Switch 48Gbps 8K@60Hz 4K@120Hz

SKU CH-9M8H-17A2G

Connects four HDMI 2.1 sources to one display at 48 Gbps with 8K 60 Hz and 4K 120 Hz support, plus auto, button and IR switching

  • Connect four HDMI sources to one display without cable swapping
  • 48 Gbps bandwidth delivers native 8K at 60 Hz and 4K at 120 Hz
  • Auto-switch, front button and IR remote give three ways to select the active input
  • HDCP 2.3 pass-through with Dolby Atmos, DTS:X, HDR10 and Dolby Vision support
  • Driver-free, bus-powered or USB-C powered with metal casing for heat dissipation

Four-Source HDMI 2.1 Switch

The SMUGDESK 4×1 HDMI 2.1 switch connects four HDMI 2.1 sources such as a PS5, Xbox Series X, Fire Stick or PC to a single QLED TV or gaming monitor. It removes the need to swap cables manually and keeps the AV setup tidy. The unit handles 48Gbps bandwidth for 8K at 60Hz and 4K at 120Hz signals.

Auto, Button and IR Control

Three switching methods fit different habits: intelligent auto-switch jumps to a newly powered-on device, a front-panel button allows local selection and the included IR remote enables couch operation. The switch is HDMI bus-powered with an optional USB-C external power input and requires no driver installation. A solid metal casing assists heat dissipation.

Sustained High-Refresh Operation

VRR and ALLM support maintains tear-free, low-latency gaming during extended sessions at 4K 120Hz or 1080P 240Hz. HDCP 2.3 pass-through and full audio decoding for Dolby Atmos, DTS:X, HDR10 and Dolby Vision ensure premium UHD streaming remains stable over long periods. The plug-and-play design avoids software overhead that could interrupt continuous use.

Highlights

  • Connect four HDMI sources to one display without cable swapping
  • 48 Gbps bandwidth delivers native 8K at 60 Hz and 4K at 120 Hz
  • Auto-switch, front button and IR remote give three ways to select the active input
  • HDCP 2.3 pass-through with Dolby Atmos, DTS:X, HDR10 and Dolby Vision support
  • Driver-free, bus-powered or USB-C powered with metal casing for heat dissipation

Specifications

No published specifications for this item yet.

Questions about this item

What is the maximum bandwidth the switch can sustain without signal loss?

The switch delivers 48Gbps bandwidth, matching the full HDMI 2.1 specification for uncompressed 8K@60Hz or 4K@120Hz video.

Does the metal casing stay cool enough for 24/7 operation without a fan?

The solid metal enclosure dissipates heat passively; the unit draws power from the HDMI bus or optional USB-C and runs silently with no moving parts.

Which cables and sources must I already have to use all four ports at 4K@120Hz?

You need four HDMI 2.1 certified cables and four sources that output 4K@120Hz such as PS5, Xbox Series X or a compatible PC graphics card.

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