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Compact black aluminium HDMI 2.1 switch with two ports and a remote control

ESTONE

ESTONE OZQ8AB3 8K@60Hz 4K@144Hz HDMI 2.1 bidirectional video switch

SKU CH-E503-P1455

A bidirectional HDMI 2.1 switch that routes two sources to one display or one source between two screens, supporting 8K at 60 Hz, 4K at 144 Hz and 1080p at 240 Hz with manual button or remote control

  • Port count2
  • Adapter typeHDMI Switch/Extender
  • Input ports1 x HDMI
  • Output ports2 x HDMI
  • Max cable length8K resolution within 1.5 m (4.9 ft), 4K resolution within 3
  • Maximum supported resolutions7680 × 4320
  • Bidirectional HDMI 2.1 lets you share one display between two sources or toggle one source across two screens
  • 8K at 60 Hz and 4K at 144 Hz deliver ultra-high resolution with smooth motion for gaming and cinema
  • HDCP 2.3 and VRR support ensure protected 8K content plays without handshake issues or screen tearing
  • Manual push-button and infrared remote give instant source selection with no software or drivers required
  • Aluminium chassis measuring 5.91 x 2.36 x 0.79 inches fits neatly into any AV rack or desktop setup

Versatile 8K bidirectional switch

The ESTONE OZQ8AB3 is an HDMI 2.1 bidirectional switch that operates as a 2-in-1-out selector or a 1-in-2-out splitter. It connects two source devices to one display or routes one source between two screens, with only one output active at a time. Manual switching is handled via the front button or the included infrared remote control. No software or external power supply is required for basic operation.

Passive aluminium chassis stays cool

The unit uses a fanless aluminium enclosure measuring 5.91 x 2.36 x 0.79 inches and weighing 11.9 ounces. Because it draws power from the connected HDMI sources through the supplied USB-C cable, it adds negligible heat and produces no audible noise during normal viewing or gaming sessions. Signal integrity is maintained for 8K at 1.5 metres, 4K at 3 metres and 1080p at 8 metres.

Stable sustained throughput for gaming

Under continuous load the switch maintains 8K at 60 Hz, 4K at 144 Hz or 120 Hz, and 1080p at 240 Hz without frame drops, provided every cable and device in the chain supports the target mode. HDCP 2.3 and VRR pass-through remain active during extended sessions. The device cannot drive both outputs simultaneously, so dual-monitor extended desktop configurations are not supported.

How it compares

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

Price $17.99
Cheaper than about 80% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Brand nameESTONE
Product lineOZQ8AB3
Model nameOZQ8AB3
Part numberOZQ8AB3
Product typeHDMI Switchers
Adapter typeHDMI Switch/Extender
Product colorBlack
Display
Maximum supported resolutions7680 × 4320
Ports & slots
Port count2
Input ports1 x HDMI
Output ports2 x HDMI
Size & build
Max cable length8K resolution within 1.5 m (4.9 ft), 4K resolution within 3 m (9.8 ft), 1080P resolution within 8 m (26.2 ft)
Product dimensions5.91 × 2.36 × 0.79 in
Product weight11.9 oz
In the box
Units per package1
In the box8K@60 Hz bidirectional HDMI 2.1 switch x1,Control Remote x1, type c cable x1.
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Questions about this item

How do I install the ESTONE OZQ8AB3 and which step do people skip?

Connect each HDMI cable to the correct port — two inputs and one output for switch mode, or one input and two outputs for splitter mode — then plug the USB-C power cable in; the step people skip is powering the unit before switching.

What maintenance or replacement will the switch need later?

The mechanical selector button and IR remote are the only moving parts; if the button sticks or the remote loses range, replace the remote battery first, then consider a new switch if the button fails.

What limit appears first during sustained 8K@60Hz use?

The 1.5 metre cable-length limit for 8K resolution; longer cables will drop the signal before the switch itself overheats or throttles.

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