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Small black box with HDMI ports and audio outputs

SMUGDESK

SMUGDESK HDMI 2.0 Audio Extractor 4K 60Hz ARC 5.1 SPDIF 3.5mm

SKU CH-MH8D-Z8DZJ

Extracts audio from HDMI 2.0 4K 60Hz signals, providing ARC return plus 5.1 SPDIF optical and 3.5mm outputs for soundbars, receivers or headphones

  • 4K 60 Hz video pass-through with HDMI 2.0 compliance
  • ARC return channel sends TV audio back to external speakers
  • SPDIF optical output delivers 5.1 surround sound to receivers
  • 5 mm jack provides private headphone or speaker listening
  • Plug-and-play design works with PS5, Xbox Series X and 4K sources

HDMI 2.0 Audio Extractor for Gaming and Home Cinema

This HDMI 2.0 audio extractor separates embedded sound from a 4K@60Hz video stream so you can send digital surround audio to a receiver while the picture passes through to the display unchanged. It is built for PS5, Xbox Series X, Blu-ray players and set-top boxes that carry both sound and vision over a single cable. The compact plug-and-play unit requires no drivers or external power for basic operation.

Thermal Performance and Power Draw

The aluminium shell acts as a passive heatsink so the decoder runs silently with no fan noise during movie playback or extended gaming sessions. Power consumption stays low enough that the device draws what it needs directly from the HDMI source in most setups, keeping the entertainment cabinet free of extra wall warts and cables. Stable 4K@60Hz pass-through is maintained without picture flicker or audio drop-outs.

Build Quality and Daily Connectivity

A sturdy metal enclosure protects the internal anti-interference circuitry from knocks and electromagnetic noise in crowded AV racks. Two independent outputs — a SPDIF optical port for 5.1 surround systems and a 3.5mm jack for headphones or desktop speakers — let you route sound to different zones without unplugging cables. The ARC return channel sends TV app audio back to the extractor, so a single HDMI run handles both directions between screen and sound system.

Highlights

  • 4K 60 Hz video pass-through with HDMI 2.0 compliance
  • ARC return channel sends TV audio back to external speakers
  • SPDIF optical output delivers 5.1 surround sound to receivers
  • 5 mm jack provides private headphone or speaker listening
  • Plug-and-play design works with PS5, Xbox Series X and 4K sources

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the SMUGDESK HDMI 2.0 audio extractor and what step is often missed?

Connect the HDMI source to the input, the display to the HDMI output, then link the SPDIF optical or 3.5mm jack to your audio device. The step often missed is enabling ARC in the TV settings to return system audio back through the extractor.

What maintenance or replacement will the extractor need later?

The unit has no moving parts or user-serviceable components. Maintenance is limited to keeping the HDMI, SPDIF optical and 3.5mm ports free of dust and ensuring cables remain firmly seated.

What limit appears first during sustained 4K 60Hz use?

The HDMI 2.0 bandwidth caps video at 4K 60Hz, so sustained operation cannot exceed that refresh rate. The decoder handles 5.1 surround sound continuously without dropping frames or introducing audio delay.

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