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The 4 x 1 DVI Switch with Audio from Black Box allows up to 4 DVI-D (digital) sources to be connected to a single display. The switcher supports VESA computer resolutions up to 1920 x 1200 (WUXGA) and HDTV resolutions up to 1920 x 1080 (Full HD). There is also a dedicated stereo analog audio input on a 3.5mm mini jack for each video input and a single 3.5mm audio output paired with the DVI output. Plus, it supports HDCP pass-through so you will be able to show copy-protected content, such as Blu-ray DVDs.
Although the physical input and output connectors are of DVI-I type, this device will only support DVI-D (digital) signals. It will also support HDMI via a passive adapter, available separately.
Controllable via front-panel buttons, included IR remote, or third-party automation system using RS-232
EDID (Extended Device ID) copy function helps ensure the source device and display both agree on an optimal resolution
Offers full, transparent DDC (Display Data Channel) support
LEDs indicate the status of DVI and audio input sources