The GTV-HDMI1.3-441 4x1 Gefen TV Switcher from Gefen can be used to switch between (4) HDMI sources on a single HDMI output device. It supports high-definition video in multiple resolutions up to 1080p and multi-channel digital audio. This solution is well suited for use with satellite systems and Blu-ray players, among other similar devices. Switching is controlled via the unit's remote control.