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Black rectangular HDMI switch box with four input ports and one output plus optical and 3.5mm audio outputs

ESTONE

ESTONE OZQ4 4x1 HDMI 2.0 Audio Extractor Switch

SKU CH-DG40-HWB75

Connects four HDMI sources to one display at 4K 60 Hz and extracts audio via optical or 3.5 mm outputs

  • Port count4-Port UHD
  • Adapter typeHDMI Switch/Extender
  • Input ports4 x HDMI
  • Output ports1 x HDMI
  • Maximum supported resolutions4K@60 Hz
  • Bandwidth rating18.5 Gbit/s/600 MHz
  • Connect four sources to one display via 4 HDMI 2.0 inputs and 1 HDMI 2.0 output
  • Extract audio separately through optical Toslink and 3.5 mm stereo ports without a TV
  • Enjoy 4K at 60 Hz with HDR support and 18.5 Gbps bandwidth
  • Simplify control using the included IR remote and auto-switching function
  • Compact black chassis measures 5.91 x 2.36 x .79 inches and weighs 11.9 ounces

Four-input HDMI 2.0 switch with audio extraction

This ESTONE OZQ4 unit accepts four HDMI 2.0 sources and routes one to a display at up to 4K@60Hz. It also extracts audio through optical Toslink and 3.5 mm stereo outputs, letting users feed external speakers or a soundbar without relying on the TV’s own connections. An IR remote and automatic signal detection handle source selection.

Passive operation with USB power and no fan noise

The switch draws power from an included USB cable, so it adds no audible fan noise and negligible heat to an entertainment setup. With a maximum bandwidth of 18.5 Gbps it passes HDR and 4K@60Hz signals without active cooling, keeping the installation silent in normal use.

Compact metal chassis

The black enclosure measures 5.91 x 2.36 x 0.79 inches and weighs 11.9 ounces, fitting easily behind a TV or inside a cabinet. Four HDMI inputs and one HDMI output sit alongside the optical and 3.5 mm audio jacks, while front LEDs indicate the active source for quick visual confirmation.

How it compares

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

Price $23.99
Cheaper than about 60% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Brand nameESTONE
Product lineOZQ4
Model nameOZQ4
Part numberOZQ4
Product typeHDMI Switchers
Adapter typeHDMI Switch/Extender
Product colorBlack
Performance
Bandwidth rating18.5 Gbit/s/600 MHz
Display
Maximum supported resolutions4K@60 Hz
Ports & slots
Port count4-Port UHD
Input ports4 x HDMI
Output ports1 x HDMI
Size & build
Product dimensions5.91 × 2.36 × 0.79 in
Product weight11.9 oz
In the box
Units per package1
In the boxHDMI 2.0 switcher 4 × 1 with audioX1
IR remote controlX1(no battery)
USB power cable(no power adpater)

Questions about this item

How do I install the OZQ4 switch and which step is often missed?

Connect up to four HDMI sources to the four input ports, connect the output port to the display, attach the USB power cable to a 5 V USB source, then use the IR remote or front button to select the active input; the step often missed is providing USB power because no power adapter is included.

What maintenance will the OZQ4 need later?

The only replaceable part is the IR remote battery; the unit itself has no fan, filter or user-serviceable components.

What limit appears first during sustained 4K@60 Hz use?

The 18.5 Gbps bandwidth ceiling is reached at 4K 60 Hz RGB 4:4:4, so any higher colour depth or refresh rate would require a faster link.

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