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Aten VS481B — 4-port HDMI switch with Ultra HD 4K support, Auto Switching, and RS-232 control for home theatre and AV installations. The Aten VS481B connects four HDMI sources to a single display and switches between them via front panel buttons, an IR remote, or RS-232 serial commands. Supports Ultra HD 4K (4096x2160) for high-resolution sources and displays. Auto Switching automatically selects the most recently connected or powered-on source — useful in rooms where only one device is typically active at a time. Instant Switching provides smooth, fast transitions between sources. Bidirectional RS-232 enables integration with home automation and AV control systems. HDMI cable, IR remote, and power adapter included. Key features 4 HDMI inputs, 1 HDMI output — connects 4 sources to one display Ultra HD 4K (4096x2160) support Auto Switching — automatically selects active source Instant Switching — fast, smooth transitions between ports Bidirectional RS-232 for home automation and AV control integration Front panel LEDs show active source; IR remote included Specifications Model: VS481B Inputs: 4x HDMI Type-A Output: 1x HDMI Type-A Max resolution: Ultra HD 4K (4096x2160) Control: Front panel, IR remote, bidirectional RS-232 Auto Switching: Yes Package contents: VS481B switch, HDMI cable (1.8m), IR remote, power adapter, user instructions. Need help choosing? Contact us at +27 32 586 3694 or support@audicoonline.co.za.