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Black rectangular HDMI matrix switch with four inputs and four outputs

LUOM

LUOM OZJ4 4x4 HDMI Matrix Switch 4K@60Hz 18.5Gbps Black

SKU CH-3BJ7-4MS0Y

Routes four HDMI sources to four displays at 4K 60 Hz with 18.5 Gbps bandwidth and HDCP 2.2 support

  • Port count4 × 4 Matrix
  • Adapter typeHDMI Switch/Extender
  • Input ports4 x HDMI
  • Output ports4 x HDMI
  • Max cable lengthLess than 8m AWG26 HDMI2.0b standard cable
  • Maximum supported resolutions4K@60 Hz
  • Routes four sources to four displays independently
  • Handles 4K at 60 Hz with 18.5 Gbps bandwidth
  • Supports HDCP 2.2 and HDMI 2.0b for protected content
  • Includes IR remote for front-of-room switching
  • Compact 230×90×25 mm chassis fits tight racks

4x4 HDMI Matrix Switch

The LUOM OZJ4 routes four HDMI sources to four independent displays, letting each output show a different source at the same time. It suits installations that need flexible distribution across multiple screens.

HDMI 2.0b bandwidth limits

The switch handles 18.5 Gbps and TMDS clock up to 600 MHz, supporting 3840×2160 at 60 Hz with YUV 4:4:4 and deep colour up to 24-bit. Cables must stay under 8 metres using AWG26 HDMI 2.0b spec to maintain signal integrity.

Check sources and displays first

Verify every source can output HDMI 2.0b with HDCP 2.2 and that each display accepts 4K at 60 Hz. EDID learning is available but may require a power cycle after configuration. No audio extraction ports are described in the data.

How it compares

Measured against everything we stock in HDMI & AV Selector Switches, at today’s prices. Recalculated every night.

Price $84.99
Pricier than about 90% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Brand nameLUOM
Product lineOZJ4
Model nameOZJ4
Part numberOZJ4
Product typeHDMI Switchers
Adapter typeHDMI Switch/Extender
Product colorBlack
Performance
Bandwidth rating18.5 Gbit/s/600 MHz
Display
Maximum supported resolutions4K@60 Hz
Audio & video
Matrix switchingYes
SoundYes
Ports & slots
Port count4 × 4 Matrix
Input ports4 x HDMI
Output ports4 x HDMI
Size & build
Max cable lengthLess than 8m AWG26 HDMI2.0b standard cable
Product dimensions5.91 × 2.36 × 0.79 in
Product weight11.9 oz
In the box
Units per package1
In the box1x HDMI Matrix 4 × 4
1x 12 V power adapter
1x IR Remote Control
1x User Manual

Questions about this item

Should I choose a 4x4 matrix or a simpler switch for four sources and four displays?

The 4x4 matrix lets any of the four inputs route independently to any of the four outputs, so each display can show a different source at the same time.

What does the 18.5Gbps bandwidth mean when I connect 4K@60Hz sources?

It carries full 4K@60Hz YUV4:4:4 and deep colour up to 12‑bit without compression, so HDR and 3D content pass through at native quality.

Does the HDMI 2.0b interface limit cable length at 4K@60Hz?

With AWG26 HDMI 2.0b cables the reliable run is under 8 metres; longer runs need active or fibre cables to keep the 18.5Gbps signal intact.

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