4K 2x2 HDMI Video Wall Controller, HDMI & DVI Dual Input to 4 HDMI Output Splicing Processor with SPDIF Audio & RS232 Control, 1080p@60Hz, 180° Image Rotation, 8 Multi-Screen Modes (2x2/1x2/1x3/1x4/2x

This professional 2x2 HDMI video wall processor integrates HDMI and DVI dual input interfaces, receiving single high-definition video signals and splitting complete synchronized visuals to four independent HDMI output ports simultaneously, turning four separate TVs or monitors into one unified giant seamless display wall.

It supports up to 4K input resolution and stable 1080p@60Hz output, equipped with high-performance signal scaling chip to eliminate frame drop, color distortion and transmission latency. The 180° flip function optimizes visual splicing effect by offsetting screen bezels, widely used for vertical screen installation, exhibition booths and retail signage.

Separate SPDIF digital audio jack extracts lossless surround audio independently, matching speakers, amplifiers and sound systems without sacrificing video quality. RS232 serial port supports centralized industrial cabinet control, while the matched IR remote enables one-click quick switching of all 8 display modes without extra software setup.

Universal compatible with mainstream signal sources: PC, laptop, Blu-ray players, set-top boxes, PS4, game consoles, and connects to HDTVs, commercial splicing screens, projectors and display equipment flawlessly. Sturdy metal casing boosts heat dissipation and anti-electromagnetic interference performance for long-time continuous commercial operation.

Plug-and-play design without driver installation. Simply connect HDMI/DVI signal source, link four display devices via HDMI cables, and connect audio equipment to SPDIF port to launch synchronous large-screen splicing instantly. It is an all-in-one professional video splicing solution for shopping malls, conference halls, exhibition halls, control rooms and home theater large-screen setup.