he Focal F100IC6ST is a 6.5-inch 2-way coaxial stereo in-ceiling speaker designed for residential audio applications. It features a dual voice coil Polyglass midbass driver and dual 1″ aluminum inverted dome tweeters, delivering a frequency response of 60Hz to 23kHz with a sensitivity of 89dB. The speaker includes a three-position treble equalizer (-3dB, 0dB, +3dB) to adjust the high frequencies according to the acoustic environment. Its compact design allows for easy installation in ceilings with a minimum thickness of 0.3125 inches and a maximum thickness of 1.56 inches. The speaker comes with both square and round magnetic grilles that are ready to paint, ensuring seamless integration into any décor. The tropicalization process applied to the Polyglass membranes allows for installation in humid environments, such as bathrooms and kitchens. The speaker’s shallow mounting depth and robust mounting brackets facilitate quick and easy installation.