This HDMI video wall controller splits a single HDMI or VGA definition image into four synchronized sections to create a dynamic large image wall. It accepts two HDMI sources up to 4K at 30 Hz and provides four HDMI outputs at 1080p for stable, quality displays. Key benefits Build a 2 by 2 video wall quickly from HDMI or VGA sources to expand viewing area without complex configuration. Maintain clear, reliable video with goldplated connectors that reduce transmission loss and improve signal integrity. Heavyduty metal housing offers corrosion resistance, reduced electromagnetic interference, and efficient heat dissipation for longterm stable operation. Reliable power design with 12 V supply and overcurrent protection for consistent performance in continuous use. Main features Inputs and outputs: 2 HDMI inputs supporting 4K at 30 Hz, and 4 HDMI outputs at 1080p. Source compatibility: Accepts HDMI and VGA definition signals for versatile integration with computers, media players, cameras, and other AV equipment. Construction: Metal case for durability, interference resistance, and improved thermal management. Connectors: Goldplated HDMI interfaces to minimize data loss and preserve image quality. Power: 12 V power input with builtin overcurrent protection to safeguard the device and connected equipment. Performance and compatibility Designed to convert and split definition signals without manual scaling or complex matrix switching. Outputs are optimized for full HD displays at 1080p, providing consistent resolution and frame rate across all screens. Works with common HDMI and VGA source devices when used with appropriate adapters or converters for VGA to HDMI inputs. Practical applications Retail digital signage: Create a unified large display from standard screens to showcase promotions and product visuals in stores and showrooms. Control rooms and monitoring: Combine multiple camera feeds or information sources into a single fourpanel display for situational awareness. Events and exhibitions: Scale live video or presentation content across multiple screens to increase audience visibility at trade shows, conferences, and public events. Physical and installation notes Compact metal enclosure for rack or tabletop installation where space and heat management matter. Use quality HDMI cables and ensure the source device supports the stated resolutions for results. Provide a stable 12 V power supply and verify overcurrent protection functionality during setup. This controller delivers a practical, durable solution for splitting and displaying HDMI and VGA content across four full HD screens, with hardware features focused on signal quality, reliability, and straightforward integration.