Inside ‘Brightness’

THX Optimizer Brightness Set-Up

For the brightness test, THX Optimizer provides a signal that displays two bars containing ten shades of black at the top and bottom of the screen, the THX logo, and a drop shadow behind the THX logo.

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THX works with consumer electronics manufacturers to design and build the finest home audio and video products.

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Find a THX Certified Installer

A THX Certified Installer can ensure that you are getting the most out of your entertainment experience.