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Small black rectangular HDMI splitter with five ports

LUOM

LUOM OZF8K3 1x4 HDMI 2.1 Splitter 8K@60Hz 4K@120Hz

SKU CH-V575-00MAJ

A 1×4 HDMI 2.1 splitter mirrors one source to four displays at up to 8K 60 Hz or 4K 120 Hz with 48 Gbps bandwidth, HDCP 2.3 and Dolby Atmos 7.1

  • Port count4
  • Adapter typeHDMI
  • Input ports1x HDMI female
  • Output ports4x HDMI female
  • Maximum supported resolutions8K@60 Hz
  • Bandwidth rating48Gps
  • Duplicates one source to four displays simultaneously
  • Supports 8K@60Hz and 4K@120Hz high resolutions
  • Handles 48Gbps bandwidth for uncompressed video
  • Smart EDID management with three switching modes
  • Plug-and-play operation with no software required

1×4 HDMI 2.1 splitter for multi-display mirroring

The LUOM OZF8K3 takes a single HDMI 2.1 source and duplicates it to four displays simultaneously. It supports 8K at 60 Hz, 4K at 120 Hz and 1080p at 240 Hz with VRR, HDR10+ and Dolby Vision pass-through. Audio formats up to 7.1-channel Dolby TrueHD and DTS-HD are also carried. The device only mirrors content and cannot extend a desktop across screens.

Passive operation with external 5 V power

The unit draws power from an included DC 5 V adapter and adds no active cooling, so it runs silently. Signal integrity is maintained for cable runs up to 16 ft on the input side and 10 ft on each output, giving a total path of 26 ft. HDCP 2.3 and earlier versions are handled automatically, and smart EDID management offers three switching modes to stabilise handshake across mixed displays.

Replaces basic 1×2 splitters

Upgrading is worthwhile when a source must feed four screens at 48 Gbps bandwidth with full 8K 60 Hz or 4K 120 Hz capability. It does not suit users who need independent extended desktops, matrix switching between sources, or runs longer than the stated cable limits without active fibre extenders.

How it compares

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

Price $45.99
Pricier than about 86% of the 1,127 comparable items (median $20.99).

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Specifications

Product
Brand nameLUOM
Product lineOZF8K3
Model nameOZF8K3
Part numberOZF8K3
Product typeHDMI Splitters
Adapter typeHDMI
Product colorBlack
Performance
Bandwidth rating48Gps
Display
Maximum supported resolutions8K@60 Hz
Audio & video
SoundYes
Ports & slots
Port count4
Input ports1x HDMI female
Output ports4x HDMI female
Size & build
Product dimensions5.59 × 3.15 × 1.26 in
Product weight3.2 oz
In the box
Units per package1
In the box8K HDMI Splitter*1, DC5 V Power Adapter*1, User Manual*1

Questions about this item

How do I install the LUOM OZF8K3 splitter and what cable-length step do people often get wrong?

Connect the source to the single HDMI input, attach up to four displays to the HDMI outputs, then plug in the included DC5V power adapter. The step users miss is the total cable budget: input cable up to 16 ft plus each output cable up to 10 ft, not exceeding 26 ft combined.

What maintenance or replacement will the LUOM OZF8K3 need later?

The unit itself has no user-serviceable parts or replaceable modules. Only the external DC5V power adapter may need replacement if it fails; the splitter chassis and HDMI ports are solid-state.

What limit appears first on the LUOM OZF8K3 during sustained 8K@60Hz use?

The 48 Gbps bandwidth ceiling and HDCP 2.3 handshake stability are the first constraints; if the source or any display cannot maintain the full 48 Gbps link, the splitter will fall back to a lower resolution or refresh rate.

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