Revesun Premium 6x2 HDMI Matrix Switch Switcher,DC Power adapter,LED Light,Support 3D,1080p,4k x 2k,PIP (6-input, 2-output) Compliant with HDMI 1.4a, CTS 1.4a, DVI 1.0. HDMI 1.4 support: Audio Return Channel (ARC), 3D TV support, CEC1.4. Support 3D Video & 4Kx2K, 8, 10, 12 & 16 bits per color depth. Support MHL input, Share your smart phone photos, music and movies on the TV. Support PIP display function. Audio support: HDMI 1.4 compatible audio interface Dolby TrueHD DTS-HD Master Audio 7.1CH Full audio input and output support