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Compact aluminium box with four HDMI outputs and audio ports

SMUGDESK

SMUGDESK 1x4 HDMI 2.0 Splitter 4K@60Hz Audio Extractor

SKU CH-53PW-DRBQY

Splits one HDMI 2.0 source to four 4K@60Hz displays and extracts audio via 3.5mm and Optical SPDIF ports

  • Synchronised 4K@60Hz video across four identical displays
  • Independent audio extraction through 3.5mm and Optical SPDIF ports
  • Dedicated power adapter prevents signal drop during continuous use
  • HDCP and 3D support for protected and immersive content
  • Works with consoles, media players, laptops and HDTVs

1x4 HDMI 2.0 Splitter with Audio Extraction

This SMUGDESK splitter takes a single HDMI source and duplicates it across four displays at 4K@60Hz. It is built for installers and home users who need identical synchronous output on multiple screens without signal degradation. Independent audio extraction via 3.5mm and Optical SPDIF ports lets you route sound to a separate audio system while video continues on all four outputs. A dedicated power adapter is included to maintain stable performance under continuous high-load operation.

Upgrades from passive or unpowered splitters

Passive splitters often suffer voltage drop when driving four cables, leading to black screens or flicker. This powered unit solves that by supplying consistent current to every output, making the jump worthwhile for long cable runs or 4K@60Hz content. If your current splitter cannot handle HDCP-protected sources or 3D formats, this model adds that compatibility. It also replaces separate audio extractors by integrating both analog and digital optical outputs in one box.

Check your source and display capabilities

Verify that your source device outputs HDMI 2.0 and can drive 4K@60Hz, as the splitter does not upscale or convert the signal. Confirm that all four target displays support the same resolution and refresh rate for identical synchronous output. Ensure you have four HDMI cables rated for the required bandwidth and an available mains socket for the included power adapter. The audio extraction works independently, so your sound bar or amplifier only needs a 3.5mm or optical input.

Highlights

  • Synchronised 4K@60Hz video across four identical displays
  • Independent audio extraction through 3.5mm and Optical SPDIF ports
  • Dedicated power adapter prevents signal drop during continuous use
  • HDCP and 3D support for protected and immersive content
  • Works with consoles, media players, laptops and HDTVs

Specifications

No published specifications for this item yet.

Questions about this item

Does the 1x4 HDMI 2.0 splitter need its own power supply to run four displays?

Yes, the unit ships with a dedicated external power adapter that must be connected for stable 4K@60Hz output across all four ports.

How do I get sound to a soundbar while the video goes to four screens?

Connect the soundbar to either the 3.5mm analog jack or the Optical SPDIF Toslink port; both extract audio independently from the HDMI stream.

Will the 3.5mm and Optical audio ports need any firmware updates later?

No, the audio extraction is handled by fixed hardware circuits, so no firmware or driver updates are required for the 3.5mm or Optical outputs.

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