Panlong HDMI Matrix Switch Switcher Splitter 4 In 2 Out 4x2 v1.4 with 4K, ARC, Optical and Stereo Audio Out and Remote Control Most advanced HDMI True Matrix 4 IN 2 OUT, Supports Any Input to Any Output or One Input to Both Outputs HDMI 1.4 certified supports 4K2K resolution, 1080P and Full HD 3D; Supports 30/36/48-bit deep color, Blu-Ray 24/50/60fs/HD-DVD/xvYCC, and all digital audio formats including DTS-HD/Dolby-TrueHD/LPCM7.1/DTS/Dolby-AC3/DSD Output A supports additional audio output by SPDIF (TOSLINK) and 3.5mm headphone audio out Three audio EDID settings: 5.1CH, 2.0CH and Advanced; Output A supports ARC (Audio Return Channel) Supports IR remote control or button pressing on the unit. Durable full metal construction with ventilation holes for quick heat dissipation and excellent longevity. Plug and play.