Vissonic VIS-PHD44: 4x4 UHD 4Kx2K HDMI matrix with web control
Model VIS-PHD44

Overview
Professional 4x4 HDMI matrix designed to flexibly switch 4K signals between up to four sources and four displays.
Supports resolutions up to 4Kx2K at 30 Hz 4:4:4 and 4Kx2K at 60 Hz 4:2:0, as well as 3D formats and high-definition HDMI audio.
Internal processing includes EDID management, input equalization, and output pre-emphasis to ensure stability over long cables.
Includes HDMI audio de-embedding to independent audio outputs, useful for sending audio to reinforcement or recording systems.
Technical specifications
Inputs
4 x HDMI
Outputs
4 x HDMI
Maximum Resolution
4Kx2K @ 30 Hz (4:4:4) and 4Kx2K @ 60 Hz (YCbCr 4:2:0)
Video Standards
HDMI 2.0, DVI 1.0 compatible
HDCP Standards
HDCP 1.4
Maximum Data Rate
Up to 10.2 Gbps
Color Depth
Up to 12-bit Deep Color
3D Support
true
Audio
Supports compressed and uncompressed HDMI audio, de-embedded to 4-channel digital/analog stereo output
EDID Management
EDID Manager, EDID readback from output displays to inputs
HDMI Functions
Input equalization, output pre-emphasis, HDMI-DVI correction
Maximum Input Cable Length
Up to 30 m (good quality HDMI cable at 1080p)
Control
Front panel with LCD, RS232, TCP/IP (RJ45), and web GUI control; iOS app support depending on distributor
Scene Memories
Supports saving and recalling routing configurations
Power Supply
100–240 VAC, 50/60 Hz, approx. 15 W consumption
Mounting
Rack-mount chassis
Applications
Meeting rooms, command centers, video surveillance, education, exhibitions
Key features
- 4 HDMI inputs and 4 HDMI outputs with free matrix routing.
- HDMI 2.0 and HDCP 1.4 compatible, with fast switching even with protected content.
- Control via front panel, RS232, TCP/IP network, and web GUI — no additional software required.
- Advanced EDID management and signal correction functions to ensure compatibility with different monitors and cables.
- Designed for 24/7 operation in critical environments such as control centers, conference rooms, and professional digital signage.
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