ATEN 4 x 4 4K HDMI audio/video matrix switch

The ATEN VM0404HA 4x4 4K HDMI Matrix Switch routes up to four HDMI sources to four HDMI displays, supporting UHD (3840 x 2160) and DCI (4096 x 2160) 4K resolutions. It supports 30 Hz (4:4:4) and 60 Hz (4:2:0) refresh rates and provides multiple control options — front-panel pushbuttons, IR remote and RS-232 — for flexible operation in classrooms, auditoriums, retail spaces and other environments that require reliable 4K signal routing.

Advantages

The metal-constructed VM0404HA offers durable build quality and a compact footprint (437.2 mm × 162.9 mm × 44 mm). It provides four HDMI Type A inputs and four HDMI Type A outputs for broad device compatibility, supports high-definition 4K resolutions with selectable refresh modes, and consumes approximately 10.58 W of power. Multiple control methods (front panel, IR and RS-232) simplify integration and daily use.

Suitable for

• Classrooms and lecture halls
• Auditoriums and conference rooms
• Retail displays and department stores
• Small control rooms and AV installations

Key specifications

• Model: ATEN VM0404HA
• Configuration: 4×4 HDMI matrix switch
• Supported resolutions: UHD 3840 × 2160 and DCI 4096 × 2160
• Refresh rates: 30 Hz (4:4:4) and 60 Hz (4:2:0)
• Inputs/Outputs: 4 HDMI Type A Female inputs, 4 HDMI Type A Female outputs
• Power consumption: ~10.58 W
• Construction: Metal housing; color: Black
• Dimensions (W×D×H): 437.2 × 162.9 × 44 mm
• Weight: 2.02 kg
• Control: Front-panel pushbuttons, IR remote, RS-232

How to use

Connect up to four HDMI source devices to the HDMI input ports and attach up to four HDMI displays to the HDMI output ports. Power the unit and select source-to-display routing using the front-panel pushbuttons, the supplied IR remote, or via RS-232 control from a compatible control system. Ensure HDMI cables and connected devices support the required 4K resolution and refresh rate for the intended configuration.

Recommendations

For optimal 4K performance, use high-quality HDMI cables rated for the desired resolution and refresh rate, verify that source and display devices support the chosen 4K mode (4:4:4 or 4:2:0), and place the unit in a well-ventilated rack or shelf to maintain stable operation.