Polk Audio RC80i 8" Round In-Ceiling Speakers - Pair - B-Stock The Polk Audio RC80i in-ceiling speakers, enjoy seamless audio quality and excellent sound reproduction with overhead speakers that elevate sound quality. Big Spaces Big Sound The beefy big 8-inch woofer of the RC80i makes a big beastly impact, with the maximum amount of bass you’re likely to encounter from an in-ceiling speaker. The RC80i is perfect for areas requiring big, rich sound with good coverage, but with no room for traditional speaker clutter. Designed for superior wide dispersion, you’ll hear great sound no matter where you are in the room. Premium Materials The Polk Audio RC80i in-ceiling speakers have lightweight and stiff blue polymer cones to deliver excellent damping and bass response. Durable, computer-modeled, injection-molded butyl rubber surrounds suppress unwanted cone resonances for a lifetime of reliable sound. Aimable swivel tweeters for greater accuracy and more realistic imaging. Baffle Tuning With infinite baffle tuning, RCi speakers utilize the “virtual enclosure” of your in-wall and in-ceiling space to enhance their bass response and smooth low frequency blending with the midrange. Easy Installation Easy one-cut, drop-in installation for the Polk Audio RC80i in-ceiling speakers puts built-in audio within reach, with Perfect Fit templates, a precision flange, and (available) pre-construction brackets; achieve secure, vibration-free efficiency with a simple turn of the patented Rotating Cam system. Safe for Indoor, High-Moisture Areas Rustproof stainless steel hardware, durable butyl rubber surrounds and powder coated aluminum (in-ceiling) & painted steel (in-wall) grilles make RCi Series speakers suitable for high moisture areas like bathrooms, transitional spaces or even under eaves or in the ceiling of an enclosed porch. (RCi series are not suitable for exposed outdoor use.).