Etekcity Premium 4x2 HDMI 1.4 Matrix Switch/Splitter (4-in, 2-out) with Remote Control Supports, HDMI 1.4, 3D, 1080p, 4K x 2K, Lossless Audio, Dolby Digital/DTS 7.1 Surround Sound Compliant with HDMI 1.4a, CTS 1.4a, DVI 1.0; HDMI 1.4 support: 3D TV Support, CEC 1.4; Supports 3D Video & 4KX2K, 8,10,12 & 16 bits per color depth; Support deep color up to 48bit per pixel Supports MHL input - Share your smart phone photos, music and movies on the TV Audio support: HDMI 1.4 compatible audio interface Dolby True HD DTS-HD Master Audio 7.1CH Built-in IR sensor with remote control for convenience; Simple and easy one-key switching; Metal case for quick heat dissipation and durable construction for longevity 24k gold plated interface ensures perfect signal transmission; Led indicators display the port status; IR remote switch or panel key switch are optional