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Compact black aluminum HDMI 2.1 switch with three input ports and one output port on the same side, LED indicator lights

ESTONE

ESTONE TJ-A125 HDMI 2.1 Switch 3 in 1 out 8K@60Hz 4K@120Hz 48Gbps

SKU CH-2K32-ED5GM

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

  • Port count3
  • Adapter typeHDMI Switch/Extender
  • Input ports3XHDMI2.1
  • Output ports1XHDMI2.1
  • Connector typeFemale
  • Maximum supported resolutions8K@60 Hz 4K@120 Hz
  • Connect three sources to one display with one-key switching
  • All ports on the same side keep the desktop tidy
  • LED indicator shows the active input at a glance
  • Supports 8K at 60 Hz and 4K at 120 Hz for ultra-high-definition video
  • 48 Gbps bandwidth handles uncompressed audio including Dolby Atmos and DTS-HD

Three-Source HDMI 2.1 Switch

The ESTONE TJ-A125 is a new 3-in-1-out HDMI 2.1 switch that routes signals from three source devices to a single display. It supports video formats up to 8K at 60 Hz and 4K at 120 Hz with a maximum bandwidth of 48 Gbps. The aluminium chassis keeps all ports on one side for a tidy desktop layout.

Check HDMI version and cable quality

Verify that each source and the display have HDMI 2.1 ports if you need 8K at 60 Hz or 4K at 120 Hz operation. The switch is unidirectional, so it cannot send one source to three displays. Use certified Ultra High Speed HDMI cables for the full 48 Gbps link and ensure HDCP 2.2 or 2.3 compatibility for protected content.

Sustained 48 Gbps throughput

The switch maintains the full 48 Gbps bandwidth during continuous operation, allowing uninterrupted 8K at 60 Hz or 4K at 120 Hz streams without dropouts. Dynamic HDR, eARC and high-bitrate audio formats such as Dolby Atmos and DTS:X pass through transparently. The aluminium shell dissipates heat to keep signal integrity stable over long sessions.

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 nameESTONE
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

Does the ESTONE TJ-A125 come with HDMI cables or do I need to buy them separately?

The package contains only the 3-in-1-out switch unit. You must supply three HDMI 2.1 cables for the sources and one for the display.

Should I choose this 3-port model or look for a version with more inputs?

This model provides exactly three HDMI 2.1 inputs and one output. If you have three or fewer sources it fits; otherwise you need a different switch.

What does the 48 Gbps bandwidth mean when I connect an Xbox Series X or PS5?

It carries 4K at 120 Hz with HDR and eARC audio without compression, matching the consoles' maximum HDMI 2.1 output.

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