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Small black box with HDMI, optical and 3.5 mm ports

J-Tech Digital Inc.

J-Tech Digital Inc. JTECH-8KAE 8K 60Hz 4K 120Hz HDMI Audio Extractor eARC

SKU CH-58PG-XNJCA

Extracts HDMI audio to optical, analog or HDMI outputs while passing 8K at 60 Hz and 4K at 120 Hz video

  • First connectorHDMI
  • Second connectorOptical, 3.5 mm
  • Product colorBlack
  • Key featuresARC, eARC Audio Extractor
  • Extract audio via Optical, 3.5 mm or HDMI outputs
  • Pass-through video up to 8K 60 Hz and 4K 120 Hz
  • eARC and ARC extraction from TV or source
  • EDID DIP switches for quick device compatibility
  • HDCP 2.3 compliant with CEC control support

Audio extraction for 8K sources

The JTECH-8KAE pulls audio from an HDMI signal and routes it to external sound systems through optical, 3.5mm stereo, or HDMI audio outputs while passing 8K 60Hz or 4K 120Hz video to a display. It suits installers who need to separate sound from a high-resolution video chain without degrading the picture.

Sustained signal handling

The extractor maintains continuous HDMI 2.1 bandwidth for HDR10+, Dolby Vision and HLG pass-through during long viewing sessions. HDCP 2.3 compliance and CEC control remain active across the link, so copy-protected streams and volume commands do not drop out after extended use.

Thermals noise and power

The compact black enclosure runs silently with no moving parts and draws minimal power from the included supply. Heat stays low during typical operation, making it suitable for enclosed cabinets or behind mounted displays where airflow is limited.

How it compares

Measured against everything we stock in Video Signal Converters, at today’s prices. Recalculated every night.

Price $104.99
Pricier than about 90% of the 1,459 comparable items (median $17.99).

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Specifications

Product
Brand nameJ-Tech Digital
Model nameJTECH-8KAE
Product colorBlack
Audio & video
SoundYes
Ports & slots
First connectorHDMI
Second connectorOptical, 3.5 mm

Questions about this item

Does the JTECH-8KAE generate noticeable heat or fan noise when passing 8K 60Hz video all day?

The extractor has no fan and runs silently; its low-power HDMI 2.1 circuitry stays cool during continuous 8K@60Hz or 4K@120Hz pass-through.

Which cables and external audio gear must I already own to use the optical, 3.5 mm and HDMI audio outputs?

You need an HDMI source cable, a display cable, plus either an optical cable for 5.1 sound, a 3.5 mm stereo lead for analogue, or an HDMI cable to an AVR for 7.1 audio.

Will CEC volume control still work if I keep my older ARC-only soundbar instead of upgrading to eARC?

Yes, the unit supports both eARC and ARC extraction, so CEC volume commands from the TV pass through to an ARC soundbar without requiring an eARC model.

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