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Small black box with HDMI input and HDMI ARC plus optical RCA and 3.5mm audio outputs

LUOM

LUOM OZV8-2 4K 60Hz HDMI Audio Extractor ARC

SKU CH-TNR4-A7CME

Splits one HDMI source into HDMI ARC plus optical, RCA and 3.5 mm audio outputs at 4K 60 Hz

  • Port count3
  • Adapter typeHDMI Switch/Extender
  • Industry standards600 MHz
  • Input ports1x HDMI male
  • Output portsHDMI(ARC)+ Audio (SPDIF+R/L+3.5Jack)
  • Connector typeWith Audio
  • Extract audio via HDMI ARC, optical, RCA and 3.5 mm jack
  • Pass 4K 60 Hz HDR10 and Dolby Vision video untouched
  • Decode DTS-HD, Dolby TrueHD and LPCM 7.1 formats
  • HDMI 2.0b with HDCP 2.2 up to 18.5 Gbps bandwidth
  • Compact 84.5 × 61.8 × 21 mm unit with 5 V power adapter

HDMI audio extractor with ARC

The LUOM OZV8-2 takes one HDMI input and provides an HDMI ARC output plus optical SPDIF, stereo RCA and a 3.5 mm jack for audio separation. It supports video up to 4K at 60 Hz with YUV 4:4:4 chroma subsampling and handles HDR10, Dolby Vision and Dolby Atmos. The unit is powered by an included 5 V 1 A adapter and measures 3.35 x 0.79 x 2.68 inches. It is suited for connecting a source to a display while routing audio to a sound system or headphones.

Passive thermal design and low power draw

The extractor has no fan and relies on its metal enclosure for heat dissipation, so it runs silently in normal use. Power consumption is limited to the 5 V 1 A supply, keeping energy draw minimal. Signal retiming and HDCP 2.2 compliance are maintained without active cooling. The compact 84.5 x 61.8 x 21 mm footprint fits easily behind equipment racks or TVs.

Stable performance under continuous operation

During sustained 4K 60 Hz playback the device maintains bandwidth up to 18.5 Gbps and 600 MHz pixel clock without signal degradation. Deep colour up to 36 bit and multi-channel formats such as LPCM 7.1, DTS-HD and Dolby TrueHD remain intact over long sessions. Input and output cable runs up to 10 m using AWG26 HDMI 2.0a cables are supported. The extractor is not designed for users who need HDMI switching between multiple sources or downstream video scaling.

How it compares

Measured against everything we stock in HDMI & Video Splitters, at today’s prices. Recalculated every night.

Price $22.99
Pricier than about 60% of the 1,127 comparable items (median $20.99).

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Specifications

Product
Brand nameLUOM
Model nameOZV8-2
Part numberOZV8-2
Product typeAudio Splitters
Adapter typeHDMI Switch/Extender
Product colorBlack
Display
Maximum supported resolutions4Kx2K@60 Hz
Audio & video
SoundYes
Ports & slots
Port count3
Input ports1x HDMI male
Output portsHDMI(ARC)+ Audio (SPDIF+R/L+3.5Jack)
Connector typeWith Audio
Size & build
Max cable length10m AWG26 HDMI2.0a standard cable
Product dimensions3.35 × 0.79 × 2.68 in
Product weight4.4 oz
In the box
In the box1 X HDMI Audio Extractor
1 × 5 V/1A Power Adapter
1 X User Manual
More details
Industry standards600 MHz

Questions about this item

How do I connect the LUOM OZV8-2 and which step is often missed?

Connect the source to the HDMI input, the display to the HDMI ARC output, and audio devices to the optical, RCA or 3.5 mm jacks; the step often missed is plugging in the included 5 V 1 A power adapter before expecting any signal.

What part will need replacement first on the LUOM OZV8-2?

The external 5 V 1 A power adapter is the only replaceable component; the extractor itself has no moving parts or user-serviceable items.

What cable-length limit appears first during long runs with the LUOM OZV8-2?

Both input and output HDMI cables are limited to 10 metres using AWG 26 HDMI 2.0a standard cable; exceeding this causes signal loss before any other constraint.

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