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Small black metal box with one HDMI input and two HDMI outputs

ESTONE

ESTONE OZF12 HDMI 2.0b Splitter 1×2 4K@60Hz 18Gbps Black

SKU CH-B9CR-D1G9W

Duplicates one HDMI source to two 4K@60 Hz displays with 18 Gbps bandwidth and HDCP 2.2 support

  • Port count2
  • Adapter typeHDMI
  • Input ports1 HDMI input
  • Output ports2 HDMI
  • Maximum supported resolutions3840 × 2160
  • Bandwidth rating18 Gbit/s
  • Duplicate one source to two displays simultaneously
  • 4K at 60 Hz with 18 Gbps bandwidth
  • HDCP 2.2 decryption on input, unencrypted output
  • Supports deep colour up to 48-bit and 7.1 audio
  • Metal housing dissipates heat for stable 49 ft runs

What the ESTONE OZF12 does

The ESTONE OZF12 is a 1×2 HDMI 2.0b splitter that duplicates one source signal to two displays. It supports 4K at 60 Hz with 18 Gbps bandwidth and HDCP 2.2. The unit is designed for home-theatre, gaming and signage setups that need identical output on two screens.

Thermals noise and power

A metal enclosure provides passive heat dissipation during continuous operation. The package includes a 5 V 2 A power adapter that supplies the splitter; no fan or active cooling is present. Power draw in normal use is low and the device runs silently.

Upgrade path and when to buy

This splitter replaces a basic 1080p-only switch or a single-output source when you need mirrored 4K 60 Hz on two displays. It does not extend the desktop, so it is not for users who need independent screens. The jump is worth it when your source and both displays support HDMI 2.0b and HDCP 2.2.

How it compares

Measured against everything we stock in HDMI & Video Splitters, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 60% of the 1,127 comparable items (median $20.99).

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Specifications

Product
Brand nameESTONE
Product lineOZF12
Model nameOZF12
Part numberOZF12
Product typeHDMI Splitters
Adapter typeHDMI
Product colorBlack
Performance
Bandwidth rating18 Gbit/s
Display
Maximum supported resolutions3840 × 2160
Audio & video
SoundYes
Ports & slots
Port count2
Input ports1 HDMI input
Output ports2 HDMI
Size & build
Product dimensions5.59 × 3.15 × 1.26 in
Product weight3.2 oz
In the box
Units per package1
In the box1 × 2 HDMI Splitter 4K@60 Hz*1, 5 V/2A Power adapter*1

Questions about this item

How do I install the ESTONE OZF12 splitter and what step is often missed?

Connect the included 5V/2A power adapter first, then link the source to the single HDMI input and each display to the two HDMI outputs using AWG22 cables up to 49 ft per side; the step users skip is powering the unit before plugging in video cables, which prevents handshake failures.

What maintenance or replacement will the ESTONE OZF12 need over time?

The splitter has no moving parts or user-serviceable components; only the external 5V/2A power adapter may require replacement if it fails, while the metal enclosure provides passive heat dissipation that needs no cleaning schedule.

What limit appears first during sustained 4K@60Hz use on the ESTONE OZF12?

The 18 Gbps bandwidth ceiling and HDCP 2.2 decryption on the input with forced non-encrypted output are the hard limits; cable runs beyond 49 ft per side or displays that cannot accept HDCP-stripped signals will show instability before the splitter itself overheats.

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