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Compact black polycarbonate box with HDMI ports and a pushbutton

ATEN

ATEN VS4812 2-Port True 4K HDMI Splitter 3840 x 2160 118.11" video accessory

SKU CH-FA9A-0HN2W MPN VS4812

Distributes a single HDMI source to two displays at 3840 x 2160 resolution with 118.11" operating distance

  • Distributes one source to two displays simultaneously
  • True 4K resolution at 3840 x 2160 for crisp clarity
  • HDR10+ and Deep Color deliver richer contrast
  • EDID Sync and HDCP 2.2 ensure hassle-free operation
  • Maximum operating distance of 118.11 inches

True 4K HDMI Splitter for Dual Displays

The ATEN VS4812 takes one HDMI source and sends it to two screens at up to 3840 x 2160 resolution. It suits home-cinema owners, dual-monitor professionals and installers who need identical output on a projector and a display. EDID Sync and HDCP 2.2 keep the handshake stable across both ports.

Passive Operation With No Fan Noise

The unit draws power from the included USB connection and has no moving parts, so it runs silently in a living room or studio. Its polycarbonate shell stays cool during normal use and the 118.11" maximum operating distance covers typical cable runs without signal boosters.

Replaces Single-Output HDMI Sources

If your console, notebook or PC has only one HDMI port, this splitter adds a second display without a graphics upgrade. It is not for users who need independent content on each screen or who require more than two outputs.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $35.99
Cheaper than about 55% of the 3,838 comparable items (median $41.99).

Specifications

Size & build
Shipping weight0.10 kg
Package size127 × 102 × 25 mm

Questions about this item

How do I connect the VS4812 and which step is often missed?

Connect the source to the single HDMI input and both displays to the two HDMI outputs; the step often missed is enabling EDID Sync so both screens report the correct 3840 x 2160 capability.

What part of the VS4812 will need replacement first?

The HDMI cables are the items most likely to need replacement; the splitter itself has no moving parts or user-serviceable components.

What limit appears first during continuous 4K HDR use?

The 118.11 inch maximum operating distance is the first limit; longer cable runs can cause signal drop-out before thermal or bandwidth limits are reached.

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