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Black aluminium HDMI 2.1 switch box, three inputs one output, indicator lights

LUOM

LUOM TJ-A125 3 Port HDMI 2.1 Video Switch 8K@60Hz 4K@120Hz 48Gbps Black

SKU CH-EW76-961HD

A three-input HDMI 2.1 switch routes 8K at 60 Hz or 4K at 120 Hz sources to one display with 48 Gbps bandwidth and one-touch switching

  • Port count3
  • Adapter typeHDMI Switch/Extender
  • Input ports3XHDMI2.1
  • Output ports1XHDMI2.1
  • Connector typeFemale
  • Maximum supported resolutions8K@60 Hz 4K@120 Hz
  • Switch three sources to one display with a single button press
  • All three HDMI 2.1 ports face the same side for a tidy desktop layout
  • Supports 8K at 60 Hz and 4K at 120 Hz for high-refresh gaming and video
  • 48 Gbps bandwidth carries Dynamic HDR and Dolby Atmos without compression
  • Aluminium alloy shell dissipates heat during extended sessions

LUOM TJ-A125 3-Port HDMI 2.1 Switch

The LUOM TJ-A125 is a three-input, one-output HDMI 2.1 switch designed for users who need to connect multiple 8K-capable sources to a single display. It suits home-theatre enthusiasts and gamers running consoles such as PS5 or Xbox Series X alongside a media streamer or PC. The compact aluminium housing keeps the desktop tidy with all ports on one side.

Front-panel button and LED indicators

A single push-button cycles through the three connected devices, while LED indicators show which input is active. This lets users change sources without unplugging cables or reaching behind equipment. The switch passes compressed audio formats including Dolby Atmos, DTS Digital and Dolby Digital, so surround sound remains intact when switching between a Blu-ray player, console and streaming box.

48 Gbps bandwidth for 8K@60 Hz and 4K@120 Hz

The switch delivers up to 48 Gbps throughput, enabling 8K resolution at 60 Hz and 4K at 120 Hz with Dynamic HDR and HDCP 2.3. This bandwidth figure is the decisive spec: if your display and source cables support HDMI 2.1, the TJ-A125 will pass the full signal without compression. Builders needing more than three inputs or automatic switching should look elsewhere.

How it compares

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

Price $39.99
Pricier than about 75% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Brand nameLUOM
Product lineTJ-A125
Model nameTJ-A125
Part numberTJ-A125
Product typeHDMI Switchers
Adapter typeHDMI Switch/Extender
Product colorBlack
Performance
Bandwidth ratingHigh Speed 48 Gbit/s
Display
Maximum supported resolutions8K@60 Hz 4K@120 Hz
Ports & slots
Port count3
Input ports3XHDMI2.1
Output ports1XHDMI2.1
Connector typeFemale
Size & build
Product dimensions12 × 6 × 0.08 in
Product weight1.2 oz
In the box
Units per package1
In the box1X Directional HDMI 8K 3 In 1 Out Switch

Questions about this item

Will the HDMI 2.1 ports need replacement from repeated plugging?

The three HDMI 2.1 inputs and one output are rated for standard mating cycles; no user-serviceable parts exist inside the aluminium shell.

What bandwidth ceiling appears first during a long 8K@60Hz session?

The 48 Gbps HDMI 2.1 link is the hard limit; sustained 8K@60Hz or 4K@120Hz uses the full pipe so cable quality becomes the bottleneck.

Does the aluminium case stay cool when the switch runs all day?

The alloy shell acts as a passive heatsink; with no active components drawing high power it remains near ambient temperature during continuous use.

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