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Small black rectangular HDMI switch box with three input ports and one output port on same side, indicator light, aluminum shell

ESTONE

ESTONE TJ-A125 HDMI 2.1 3 in 1 out 8K@60Hz 4K@120Hz video switch

SKU CH-9VMN-9R577

A three-input HDMI 2.1 switch routes 8K@60Hz or 4K@120Hz sources to one display with 48Gbps 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
  • Connect three HDMI sources to one display with single-key switching
  • All ports on the same side keep the desktop tidy
  • Indicator lights show which source is active at a glance
  • Supports 8K at 60 Hz and 4K at 120 Hz for high-refresh gaming and cinema
  • 48 Gbps bandwidth carries uncompressed HDR video and advanced audio formats

Three-source HDMI 2.1 switch

This ESTONE TJ-A125 routes three HDMI 2.1 sources to a single display with a button press. It handles 48 Gbps bandwidth and supports 8K at 60 Hz, 4K at 120 Hz and 1080p at 240 Hz. The all-ports-on-one-side layout keeps cables tidy and an LED shows the active input.

Replaces manual cable swapping

If you currently unplug consoles, streaming boxes or a Blu-ray player to share one screen, this switch removes that wear on ports and cables. The upgrade is worth it when you need 48 Gbps throughput for 8K 60 Hz or 4K 120 Hz HDR content. It does not serve setups that require one source sent to multiple displays.

Sustained 48 Gbps signal integrity

The aluminium shell acts as a heatsink so the switch maintains full 48 Gbps bandwidth during long gaming or viewing sessions. HDCP 2.2 and 2.3 handshake remains stable across input changes without signal drop-outs. Audio formats including Dolby Atmos, DTS-HD Master Audio and DTS:X pass through continuously.

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

How much desk space does the 12 x 6 x .08 inch switch require?

The unit measures 12 inches wide by 6 inches deep and only .08 inches thick, so it fits easily on a shelf or behind a monitor.

Does the switch draw power from the HDMI ports or need a separate supply?

It operates from the HDMI source power, but the manufacturer notes that best performance at 8K@60Hz or 4K@120Hz is achieved when the optional USB power cable is connected.

Will the HDMI 2.1 ports wear out with frequent plugging and unplugging?

The female HDMI 2.1 connectors are rated for thousands of insertion cycles; normal daily switching will not degrade the ports or the 48Gbps signal integrity.

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