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3. Automotive Video Entertainment > 34. Boost Your Video Signal for Multiple Sc...

Boost Your Video Signal for Multiple Screens

You don’t have to put up with poor-quality video when displaying your car computer’s output on multiple screens.

If passenger video entertainment in your vehicle is handled by one large fold-down screen, you don’t need this hack. If you have multiple screens, though, this hack can help you improve the quality of the picture they display.

If you’re simply driving a pair of rear-headrest screens, using a simple RCA splitter is one approach. This will work, but because the voltage coming out of the video card has to supply two screens, each screen will get a correspondingly washed out and weaker signal. Start splitting the voltage to three or four screens, and you will get an unacceptable picture on all the screens. Retail stores, which have dozens of TV sets all showing the same signal, solve this problem by using a video booster to amplify the signal.


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