The Milestone ML-401HD-ARC-4K is a versatile 4×1 HDMI switcher that allows users to connect up to four HDMI input sources to a single HDMI display. It is designed for applications where multiple devices need to be connected and switched easily, such as in home theaters, classrooms, conference rooms, and digital signage systems.
It supports 4K Ultra HD resolution at 60Hz, HDR, and advanced audio formats, ensuring sharp visuals and immersive sound. The ARC (Audio Return Channel) feature enables audio from the display to be sent back to an external audio system, eliminating the need for additional cables. The device is HDCP 2.2 compliant, ensuring compatibility with protected content sources like Blu-ray players or streaming devices.
Users can conveniently control the switcher via front panel buttons or an IR remote, with LED indicators for active input display. This makes it easy to operate in dynamic AV environments.
| Specification | Details |
|---|---|
| Brand | Milestone |
| Model | ML-401HD-ARC-4K |
| Type | 4×1 HDMI Matrix Switcher |
| Input Ports | 4 × HDMI (Type-A) |
| Output Port | 1 × HDMI (Type-A) |
| Max Resolution | 4K @ 60Hz (3840×2160), HDR |
| HDCP Support | HDCP 1.4 / 2.2 |
| ARC Support | Yes |
| Audio Formats | LPCM, Dolby Digital, DTS, Dolby TrueHD, DTS-HD MA |
| Control Options | Front panel button & IR remote |
| LED Indicators | Yes – input selection & power |
| Power Supply | DC 5V/12V adapter (included) |
| Enclosure | Durable ABS or metal (model dependent) |
| Applications | Home theater, AV rooms, signage, office presentations |
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