HDMI Video Wall Controller 2x2 4K Multi Screen Display Processor with HDMI DVI Input Audio and RS232 Control

Product overview A fouroutput HDMI distribution unit that delivers reliable video and stereo audio to multiple displays. Compatible with HDCP1.4 and supporting common HD input and output resolutions, this device is designed for straightforward integration in conference rooms, classrooms, retail displays, and home AV setups. Key benefits Distribute one HDMI source to four displays simultaneously, reducing the need for multiple source devices and simplifying AV setups. Maintain image quality with support for full HD resolutions and uncompressed RGB and YUV 24bit input formats. Flexible control options let you operate the unit locally or integrate it into larger control systems via RS232 serial commands or infrared remote control. Designed to work with standard HDMI cables meeting 24AWG requirements, with recommended maximum cable runs to preserve signal integrity. Core specifications and performance HDCP compatibility: Supports HDCP1.4 for protected content playback. Input resolutions: 1080P, 1080i, 720P, 576P, 576i, 480P. Output resolutions: 1080P, 1080i, 720P, 576P, 576i, 480P. Data rate: Supports up to 10.2 Gbps for smooth definition video transfer. Input format: RGB and YUV 24bit. Output format: RGB444. Outputs: Four HDMI outputs plus one 3.5 mm stereo audio output for external amplification or speakers. Cable guidance: Use HDMI cables with at least 24AWG. Recommended maximum lengths: input side up to 8 meters, output side up to 12 meters. Control and integration Control methods: RS232 serial port and infrared remote control supported. These options allow standalone use or centralized control integration in professional AV environments. Simple setup: Four identical HDMI outputs make configuration and scaling straightforward for typical multidisplay arrangements. Practical use scenarios Conference rooms and meeting spaces: Send a single laptop or media player output to multiple screens and feed audio to room speakers via the 3.5 mm output. Use RS232 for integration with room control systems. Retail and digital signage: Drive multiple instore displays with synchronized content from one media source, minimizing media player hardware and cabling complexity. Classrooms and training facilities: Share presentations or video across several displays so participants in different areas can see the same content. Infrared remote control enables quick local switching. Why choose this unit Reliable support for protected content and common HD resolutions ensures compatibility with most video sources and displays. Multiple control options and a dedicated stereo output increase installation flexibility. Clear cable length guidance and required cable gauge help preserve signal quality in typical installation scenarios. What to check before installation Confirm displays accept the supported output resolutions. Use HDMI cables of at least 24AWG and respect the recommended maximum lengths: input up to 8 meters, outputs up to 12 meters. If centralized control is required, ensure your control system supports RS232 connections. This HDMI distribution unit provides a practical, performancefocused solution for extending one HDMI source to four displays while offering audio output and multiple control methods for professional and everyday AV installations.