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Black rectangular box with four HDMI input ports and one output port

ATEN TECHNOLOGIES

ATEN TECHNOLOGIES VS481C 4-Port True 4K HDMI Switch

SKU CH-1XBK-KSMSN

Routes four HDMI sources to one display at 4096 x 2160 @ 60 Hz 4:4:4 with 18 Gbps bandwidth, auto switching, instant switching, bi-directional RS-232 and IR control

  • Connect four HDMI sources to one display
  • True 4K at 4096 x 2160 @ 60 Hz 4:4:4
  • 18 Gbps bandwidth for lossless audio and deep color
  • Instant switching for smooth transitions between ports
  • Bi-directional RS-232 and IR for remote system control

Four-Port True 4K HDMI Switch

The ATEN VS481C routes four HDMI sources to a single compatible display device. It suits integrators and multi-source environments that require reliable switching without signal degradation. The unit handles video resolutions up to True 4K at 4096 x 2160 @ 60Hz with 4:4:4 chroma sampling. Data rates up to 18 Gbps ensure full bandwidth for demanding content.

Sustained Load Behaviour

Instant Switching provides smooth video transitions between ports during active use. Auto Switching modes select the active port automatically when sources change state. The switch maintains HD lossless audio formats and 3D capability across all four inputs continuously. Deep Color support up to 12-bit remains stable throughout extended operation.

Build Quality and Connectivity

A built-in bi-directional RS-232 serial port enables high-end system control integration. IR support allows remote device control for convenient operation. The HDMI 2.0 interface ensures compatibility with 3D, Deep Color, and 4K specifications. HDCP 2.2 compliance protects premium content across all connected sources. The design focuses on integrator-friendly features for professional installations.

Highlights

  • Connect four HDMI sources to one display
  • True 4K at 4096 x 2160 @ 60 Hz 4:4:4
  • 18 Gbps bandwidth for lossless audio and deep color
  • Instant switching for smooth transitions between ports
  • Bi-directional RS-232 and IR for remote system control

Specifications

No published specifications for this item yet.

Questions about this item

How much power does the VS481C draw when switching between four 4K sources all day?

The VS481C draws very little power and runs without a fan, so it stays cool and silent during continuous 4K 60 Hz operation.

Which cables and display must I already own to use the VS481C?

You need up to four HDMI source devices, one HDMI display that accepts 4096 x 2160 @ 60 Hz, and standard HDMI cables for every connection.

Will the VS481C work with my older 1080p projector and legacy AV receiver?

Yes, the switch passes 1080p and lower resolutions through its HDMI 2.0 ports while keeping 4K 60 Hz 4:4:4 capability for newer gear.

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