GefenToolBox 4x1 Switcher for HDMI 1.3, Black Switch between four (4) HDMI 1.3 sources without signal loss Maintains beautiful, sharp HDTV resolutions up to 1080p and 1920x1200@60Hz Supports LPCM 7.1 audio, Dolby Digital Plus, Dolby TrueHD, and DTS-HD Master Audio Supports DVI sources and DVI displays using an HDMI-to-DVI converter cable or adapter (sold separately)