ATEN VS4812 2-Port True 4K HDMI Splitter

The ATEN VS4812 2-Port True 4K HDMI Splitter is a compact HDMI splitter designed to distribute one HDMI source to two HDMI displays simultaneously.

With True 4K 3840 × 2160 @ 60Hz support, 18Gbps maximum bandwidth, EDID Sync™ smart display optimization, HDR10+, HDCP 2.2 compatibility, 3D and Deep Color support, and compact accent-light design, the VS4812 is ideal for home entertainment, dual-display workstations, gaming setups, retail displays, meeting rooms, and professional AV environments.

Key Features

• 2-port True 4K HDMI splitter
• Distributes one HDMI source to two HDMI displays simultaneously
• Supports up to 3840 × 2160 @ 60Hz, 4:4:4
• Supports 18Gbps maximum data rate
• EDID Sync™ smart display optimization helps prevent display issues
• HDCP 2.2 compatible
• Supports HDMI 3D, Deep Color, and 4K
• Supports HDR10+ for improved contrast and color performance
• Audio support includes LPCM 7.1, Dolby® and DTS-HD Master Audio™
• Pushbutton output control enables or disables HDMI output 2
• Compact plastic enclosure with accent lighting
• Powered via USB-C 5V/1A input
• Includes USB Type-C to Type-A power cable, 1m

Product Description

The ATEN VS4812 2-Port True 4K HDMI Splitter is designed to send one HDMI source signal to two HDMI displays at the same time, making it suitable for home entertainment, gaming, workstation, retail, display, and professional AV installations.

The VS4812 supports video resolutions up to 3840 × 2160 @ 60Hz, 4:4:4, with a maximum data rate of 18Gbps and 600MHz pixel clock. This allows compatible HDMI sources and displays to deliver sharp True 4K visuals with smooth performance.

With EDID Sync™ smart display optimization, the splitter helps optimize resolution handling and reduce common display compatibility issues. It also supports HDR10+, 3D formats, Deep Color, and HDCP 2.2 compatibility, helping provide reliable performance across supported HDMI source and display equipment.

For audio, the VS4812 supports LPCM 7.1, Dolby®, and DTS-HD Master Audio™, making it suitable for setups where both video and audio quality matter.

The built-in pushbutton output control allows HDMI output 2 to be enabled or disabled directly from the unit. Its compact plastic housing and accent lighting make it suitable for clean desk, entertainment, and AV installations.

Please check that your HDMI source, displays, and cables support the required resolution, refresh rate, HDR, HDCP, and audio formats before ordering.

Specifications

• Product Code: VS4812
• Product Type: 2-Port True 4K HDMI Splitter
• Video Input: 1 × HDMI Type-A Female, Black
• Video Output: 2 × HDMI Type-A Female, Black
• Input Impedance: 100Ω
• Output Impedance: 100Ω
• Maximum Input Distance: 3m at 3840 × 2160 @ 60Hz, 4:4:4
• Maximum Output Distance: 3m at 3840 × 2160 @ 60Hz, 4:4:4
• Maximum Resolution: 3840 × 2160 @ 60Hz, 4:4:4
• Maximum Data Rate: 18Gbps, 6Gbps per lane
• Maximum Pixel Clock: 600MHz
• Compliance: HDMI, 3D, Deep Color, 4K, HDCP 2.2 compatible
• HDR Support: HDR10+
• Audio Input: 1 × HDMI Type-A Female, Black
• Audio Output: 2 × HDMI Type-A Female, Black
• Audio Support: LPCM 7.1, Dolby® and DTS-HD Master Audio™
• Power Connector: 1 × USB-C, 5V/1A
• LED Indicator: 2 × Port Indicator, Orange
• Power LEDs: 2 × Orange, bottom side
• Housing: Plastic
• Operating Temperature: 0°C to 40°C
• Storage Temperature: -20°C to 60°C
• Humidity: 0% to 80% RH, non-condensing
• Product Dimensions: 6.10cm × 5.65cm × 1.52cm
• Product Weight: 0.03kg

Connectivity

• 1 × HDMI input
• 2 × HDMI outputs
• 1 × USB-C power input, 5V/1A
• Pushbutton output control
• True 4K output up to 3840 × 2160 @ 60Hz

Compatibility

The ATEN VS4812 2-Port True 4K HDMI Splitter is suitable for compatible HDMI source devices and HDMI displays, including:

• Laptops with HDMI output
• Desktop PCs with HDMI output
• Game consoles
• TV boxes
• DVD and media players
• HDMI monitors
• HDMI TVs
• HDMI projectors
• Home entertainment setups
• Gaming setups
• Retail display setups
• Meeting room and AV installations

Important Compatibility Note

Please check your source device, displays, and HDMI cables before ordering. To achieve True 4K 3840 × 2160 @ 60Hz, 4:4:4, all connected equipment and HDMI cables must support the required resolution, refresh rate, bandwidth, and HDMI standard.

HDCP-protected content requires compatible HDCP support across the source, splitter, cables, and connected displays.

The VS4812 duplicates one HDMI source to two displays. It does not extend a desktop as two independent displays.

Ideal For

• Splitting one HDMI source to two displays
• Home entertainment systems
• Gaming setups with dual HDMI displays
• Dual-monitor presentation setups
• Retail and showroom display installations
• Meeting rooms and training rooms
• Professional AV environments
• Sending the same video signal to two HDMI screens
• Compact HDMI installations where space matters

What’s in the Box

• 1 × ATEN VS4812 2-Port True 4K HDMI Splitter
• 1 × USB Type-C to Type-A Power Cable, 1m