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Compact black box with HDMI ports, audio jacks and IR remote

Vszerda

Vszerda 4K HDMI Matrix Switch 2x2 Audio Extractor OZJ6

SKU CH-VM0A-CCKHT

Routes two 4K@60 Hz sources to two displays and extracts audio via optical and 3.5 mm outputs

  • Routes two 4K sources to two displays independently
  • Extracts audio via dual SPDIF and 3.5 mm outputs
  • Handles 4K 60 Hz HDR10 with 18.5 Gbps bandwidth
  • Includes IR remote for convenient source switching
  • Downscales 4K to 1080p per output when needed

What this matrix switch does

The Vszerda 4K HDMI Matrix Switch 2x2 routes two HDMI sources to two displays independently, supporting 4K at 60 Hz with HDR10 and HDCP 2.2 compliance. It extracts audio from either input through two optical SPDIF ports and two 3.5 mm stereo outputs, handling LPCM, Dolby and DTS 5.1 channel formats. An included IR remote selects sources without front-panel buttons.

Sustained signal stability

The switch maintains an 18.5 Gbps data rate and TMDS clock up to 600 MHz continuously, preserving 8 to 48 bit deep colour and RGB 4:4:4 sampling across both outputs. A built-in downscaler converts 4K signals to 1080p on a per-port basis when one display cannot accept the full 3840 x 2160 resolution, preventing handshake drops during long sessions. HDCP 2.2 encryption remains active throughout, so protected content streams without interruption.

Installation and common issues

Connect sources and displays with standard HDMI cables, attach the supplied power adapter via the USB cable, and pair the IR remote — no drivers are required. The most frequent problem is mismatched EDID between the two sinks, which can cause one output to default to a lower resolution; power-cycling the unit after all cables are seated usually resolves it. Ensure the optical or analogue audio cables are fully inserted, as partial seating mutes the extracted channels.

Highlights

  • Routes two 4K sources to two displays independently
  • Extracts audio via dual SPDIF and 3.5 mm outputs
  • Handles 4K 60 Hz HDR10 with 18.5 Gbps bandwidth
  • Includes IR remote for convenient source switching
  • Downscales 4K to 1080p per output when needed

Specifications

No published specifications for this item yet.

Questions about this item

Does the 18.5 Gbps HDMI 2.0b matrix generate noticeable heat or fan noise during continuous 4K 60 Hz operation?

The unit is passively cooled with no fan, so it runs silently; its metal chassis dissipates the modest heat produced by the 600 MHz TMDS clock during all-day use.

Which cables and audio gear must I already own to use the two SPDIF optical and two 3.5 mm L/R outputs?

You need two HDMI 2.0b cables for the sources, two more for the displays, plus Toslink optical cables or 3.5 mm stereo leads for each zone you want to feed to an amplifier or soundbar.

Will a 1080p-only projector connected to one output limit the 4K 60 Hz HDR signal on the other output?

No — the built-in downscaler lets the 4K source run at 3840×2160 60 Hz with HDR10 on one display while simultaneously delivering a 1080p version to the older projector.

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