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Small black box with HDMI ports and audio outputs

Jansicotek

Jansicotek 4K HDMI Audio Extractor HDMI to HDMI + SPDIF + RCA 4K@30Hz 36-bit 7.1ch

SKU CH-VZK0-EXGY0

Extracts audio from HDMI sources to optical SPDIF and RCA stereo outputs while passing 4K 30 Hz video through to a display

  • TypeAudio Splitters
  • AudioYes
  • Package Contents1x 4K HDMI Audio Extractor Converter 1x 5V Power Adapter 1x
  • Extracts HDMI audio to optical SPDIF and RCA stereo
  • Passes 4K video at 30 Hz with 36-bit deep colour
  • Supports 7.1-channel LPCM and compressed surround formats
  • Three audio modes: PASS, 2.0CH and 5.1CH
  • Works with consoles, streamers, PCs and Blu-ray players

4K HDMI Audio Extractor for Home Cinema

The Jansicotek extractor splits one HDMI source into a video pass-through and separate audio feeds. It serves owners of AV receivers, soundbars or powered speakers that lack HDMI inputs. The box includes a 5 V power adapter and a user manual. It is not for buyers who need ARC support or HDMI 2.0 bandwidth.

4K@30 Hz video with 36-bit deep colour

The single specification that decides fit is the 4K@30 Hz limit on the HDMI 1.4b link with HDCP 1.4. Higher frame-rate or HDR sources will fall back to 1080P. Three audio modes — PASS, 2.0CH and 5.1CH — select the format sent to the optical Toslink SPDIF and RCA stereo outputs.

Sustained operation with external 5 V supply

A wall-powered design keeps the splitter stable during long film sessions or gaming marathons. The converter maintains synchronous video and audio separation without signal loss across the full 7.1-channel LPCM, DTS-HD or Dolby TrueHD bitstreams. Heat and handshake drops stay negligible over hours of continuous use.

Highlights

  • Extracts HDMI audio to optical SPDIF and RCA stereo
  • Passes 4K video at 30 Hz with 36-bit deep colour
  • Supports 7.1-channel LPCM and compressed surround formats
  • Three audio modes: PASS, 2.0CH and 5.1CH
  • Works with consoles, streamers, PCs and Blu-ray players

Specifications

TypeAudio Splitters
AudioYes
Package Contents1x 4K HDMI Audio Extractor Converter
1x 5V Power Adapter
1x User Manual

Questions about this item

What does the 4K@30Hz limit mean for my display?

The extractor passes video up to 4K at 30Hz, 1080p and 3D with 36-bit deep colour; higher refresh rates at 4K are not supported.

Which HDMI and HDCP versions does the extractor use, and what do they cap?

It uses HDMI 1.4b and HDCP 1.4, limiting the HDMI path to 4K@30Hz and 1080p with 36-bit colour.

What physical connections and power does the unit need?

One HDMI input, one HDMI output, one optical Toslink SPDIF, one RCA stereo pair, and the included 5V/1A DC power adapter.

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