Brand Suckoo For 2X2 HDMI2.0 Video Wall Processor Splicing Screen Controller 1 in 4 out 1 in 2 out 1080p 4K@60Hz Compatible with HDMI or DVI Computer Host External 4 port Monitor TV Projector 3.5mm Audio Headphone Black. This HDMI video splicing processor is a very practical device with 2 inputs and 4 outputs, which can be used as a 2 port HD or DVI input switcher to externally connect a signal source such as a computer host laptop player to a 4 monitor TV projector device. The 4 external monitors can be combined to form a large screen. External 3.5 mm and SPDIF audio headphones with RS232 function. The 4 way HD video splicing processor supports HD standard, capable of transmitting high-quality 4K audio and video signals, supporting a resolution of 1920x1080P pixels. This means you can enjoy clear, detailed images and audio/video effects. Switching mode 3 kinds: manual button or IR or RS232 switching. The splicer provides consistent quality for connected devices, ensuring stable and reliable signal transmission. Splicing mode: multiple modes splicing (see details), color: black, product size: 8x7.3x2.4 cm. Accessories: 1 piece of this product + 1 free DC power cable + 1 manual. In short, this video splicing processor is a powerful, high performance device for home entertainment systems, conference rooms, showrooms and other occasions, allowing you to easily connect up to four display devices on a large screen to splice a large screen and enjoy a high definition audiovisual experience.