PRACTICALLY INVISIBLE VANISHING IN-CEILING SPEAKERS – From the much-acclaimed Vanishing Series, 80-F/X RT speakers are designed to elevate your listening experience; ideal for home theater 5.1, 7.1 or multi-channel speaker setups SEAMLESS AUDIO WITH EXCELLENT SOUND – Equipped with an 8" Dynamic Balance Woofer and (2) 0.75" Tweeters, experience balanced sound that's crisp and clear. These home audio speakers are precision-engineered & the audio detailing is sure to impress TIMBER-MATCHED WITH POLK’s RTi SPEAKERS allowing seamless blending. Upgrading your existing home theater system or adding new units is not only simple but you can now enjoy the same great Polk across your setup SUPER EASY INSTALLATION for in ceiling speakers; the detachable wafer-thin grille is paintable so you can COLOR COORDINATE WITH YOUR EXISTING INTERIORS and virtually make these loudspeakers disappear. Cutout: 9-3/8" diameter; Mounting depth: 4-3/4" Polk’s UNWAVERING COMMITMENT, RELIABILITY, AND CRAFTSMANSHIP has made Polk audio speakers one of the most trusted names in home audio. Bring out the best in surround sound systems and acoustic excellence, so you can RELAX & LISTEN WITH YOUR HEART