We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small black box with HDMI ports, optical and RCA audio outputs, red and green LED indicators

LUOM

LUOM HDMI Audio Extractor 4K@30Hz Optical RCA

SKU CH-C98Q-6A6FJ

Extracts HDMI audio to optical SPDIF or RCA stereo while passing 4K@30Hz video through to a display

  • TypeHDMI Converters
  • Extracts embedded HDMI audio to optical SPDIF and RCA stereo
  • Pass-through video up to 4K@30Hz with 36-bit deep color
  • Three audio modes: Pass, 2CH PCM, 5.1CH Dolby/DTS
  • Optical output supports 5.1CH; RCA output supports 2CH stereo
  • LED indicators show power and successful HDTV connection

Audio extraction for HDMI sources

This HDMI audio extractor separates the digital audio embedded in an HDMI signal and sends it to an optical SPDIF port and RCA stereo outputs while passing the original video and audio through to an HDMI output. It supports video resolutions up to 4K at 30 Hz with 36‑bit deep colour and HDCP 1.4 compliance. The unit works with sources such as streaming sticks, Blu‑ray players, game consoles and set‑top boxes. A red LED shows power status and a green LED confirms a successful display connection.

Upgrading from TV speakers or missing audio outputs

The extractor adds optical and analogue audio outputs to devices that only have HDMI, letting you connect a soundbar, AV receiver or powered speakers without replacing the source. It is worth the step up when your display lacks audio outputs or when you need to feed a separate audio system while keeping the video path intact. Three audio modes — Pass, 2CH and 5.1CH — let you match the output to your sound system’s capabilities.

Build integration: power, cables and audio modes

The converter requires its own power supply and standard HDMI cables for input and output; transmission distance reaches 49 ft with AWG26 cable. Optical SPDIF carries 5.1‑channel Dolby Digital and DTS, while RCA delivers 2CH PCM stereo. The Pass mode forwards the original audio format untouched. It does not support ARC, so the TV’s return channel cannot be used. Ensure your audio gear matches the selected mode for correct playback.

Highlights

  • Extracts embedded HDMI audio to optical SPDIF and RCA stereo
  • Pass-through video up to 4K@30Hz with 36-bit deep color
  • Three audio modes: Pass, 2CH PCM, 5.1CH Dolby/DTS
  • Optical output supports 5.1CH; RCA output supports 2CH stereo
  • LED indicators show power and successful HDTV connection

Specifications

TypeHDMI Converters

Questions about this item

What cable length does the extractor support at 4K resolution?

Transmission distance up to 49ft with an AWG26 HDMI standard cable.

How do I set the audio mode switch for my sound system?

Select PASS for bitstream passthrough, 2CH for stereo PCM, or 5.1CH for Dolby Digital and DTS; the green LED confirms a valid HDMI handshake.

When should I replace the power supply if the LEDs stop lighting?

The red LED shows power is present; if it stays dark with a known-good 5 V supply, replace the adapter.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.