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Black aluminum HDMI 2.1 switch with three inputs and one output

LUOM

LUOM TJ-A113 3x1 8K HDMI 2.1 video switch

SKU CH-P6FR-GMP2R

Connects three HDMI 2.1 sources to one display at 8K 60 Hz or 4K 120 Hz with 48 Gbps bandwidth and IR remote switching

  • Port count2
  • 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 press
  • 48 Gbps bandwidth carries 8K at 60 Hz and 4K at 120 Hz
  • Dynamic HDR, VRR and full chroma sampling reveal every detail
  • Works with consoles, PCs, streamers and 8K displays alike
  • Powered via USB-C for stable operation with demanding devices

Three-input 8K HDMI 2.1 switch

The LUOM TJ-A113 connects three HDMI 2.1 sources to a single display and lets you change the active input with a button or the supplied IR remote. It handles 8K at 60 Hz and 4K at 120 Hz across a 48 Gbps link, so consoles, streaming sticks and PCs can share one screen without cable swapping. Dynamic HDR, VRR and full chroma subsampling are passed through unchanged.

Passive thermals and external power option

The aluminium enclosure dissipates heat without a fan, so the switch runs silently in normal use. Power draw is low enough that most source devices can drive it directly through the HDMI cables, but a USB-C port is provided for an external supply when power-hungry sources are connected. The supplier notes that stable 8K performance may require that extra power.

Compact desktop footprint

At 8 by 5 by 0.03 inches the unit sits flat on a desk or shelf and keeps all three inputs and the single output on the same edge for tidy cable routing. An LED indicates which port is active, and the IR receiver works at typical living-room distances. HDMI 2.1 cables under 10 metres are recommended for the highest resolutions, and no driver installation is needed on any supported platform.

How it compares

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

Price $36.99
Pricier than about 70% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Brand nameLUOM
Product lineTJ-A113
Model nameTJ-A113
Part numberTJ-A113
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 count2
Input ports3XHDMI2.1
Output ports1XHDMI2.1
Connector typeFemale
Size & build
Product dimensions8 × 5 × 0.03 in
Product weight0.634 oz
In the box
Units per package1
In the box1X Directional HDMI 8K 3In 1Out Switch

Questions about this item

How do I install the LUOM TJ-A113 3x1 8K HDMI 2.1 switch and what step do people often miss?

Connect up to three HDMI 2.1 sources to the three input ports and one display to the single output port, then plug the included Type-C cable into a USB power source for full 48Gbps bandwidth; the step many skip is powering the switch, which is required for stable 8K@60Hz or 4K@120Hz operation.

What maintenance or replacement will the LUOM TJ-A113 need over time?

No user-serviceable parts exist; keep the unit dust-free, use certified HDMI 2.1 cables no longer than 10 metres for 8K@60Hz, and replace cables if signal drop-outs appear — the aluminium enclosure and passive switching circuitry have no scheduled maintenance.

What limit appears first during sustained 8K@60Hz use on the LUOM TJ-A113?

The 48Gbps bandwidth ceiling is the first hard limit; pushing 8K@60Hz with full chroma 4:4:4 and Dynamic HDR saturates the link, so any cable longer than 10 metres or a marginal power source will cause instability before the switch itself overheats.

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