From the ManufacturerThe RC60i features a 6-1/2-inch woofer to produce robust bass and a 3/4-inch soft dome tweeter for depth and detail. You’ll enjoy rich lifelike sound from this in-ceiling speaker - performance unheard of just a few years ago. The RC60i is an ideal solution for areas where you want big, room-filing sound without big speakers and wire cluttering the room, The RC60i’s ability to disperse sound over a wide area means you’ll hear great sound no matter where you are in the room.key features Paintable grilles allow you to make your speakers disappear completely into your painted walls (but you can always leave them white too). Out of the box into the ceiling installation. The RC60i is incredibly easy to install. Wire them up, pop them in the ceiling, screw down the rotating mounting cams with a screw driver, pop the grille on, turn on your stereo and enjoy. Durable hardware for a durable speaker. The RC60i uses rugged stainless steel hardware and a powder-coated aluminum grille for years of dependable performance. Please note that RCi series loudspeakers are not suitable for exposed outdoor use. For outdoor applications, use our Atrium Series speakers. Swivel tweeter. The RC60i features a swiveling tweeter so you can aim it toward the listening area for greater accuracy.take a look inside this producttechnologyDynamic Balance® and Klippel Optimization Like all Polk speakers, the transducers in the RC60i speakers are products of Dynamic Balance technology and Klippel Optimization. A Dynamic Balance tweeter is designed using microscopic testing, materials science, and precision-designed interfaces to reduce or eliminate mechanical breakup that adds distortion and colors the sound. Klippel Optimization ensures the speaker will perform well at both low and high volumes levels.Blue Polymer Woofers with Rubber Surround Provide excellent damping and bass response while resisting deterioration. Your RCi speakers should last longer than your house. Other speakers use flimsy paper cones and foam surrounds that fall apart due to time and exposure.Timbre Matched The RC60i, like all RCi series speakers, is timbre matched to our freestanding speakers - such as Polk Monitor, TSi and OWM series, just in case you need in-ceiling surround speakers to match your freestanding fronts.why you should consider this productIf you’re looking to fill a room or your home with life-like sound, you should seriously consider the RC60i for its high performance audio, ease of installation, and amazing value. Use RC60i’s all around your home where you care about good sound or as rear channel surround speakers in your home theater system.technical specifications Driver Complements Tweeter 3/4" Diameter (1.91cm)Dynamic Balance tweeter with metalizedsoft dome in ball-and-socket swivel mount Mid/Woofer 6 1/2" Diameter (1.91cm)Dynamic Balance driver with mineral-filledpolymer cone and rubber surround Electrical Total Frequency Response 40Hz - 20kHz Upper -3dB Limit 20Hz Lower -3dB Limit 60Hz Nominal Impedance 8 ohms Efficiency 89 dB Recommended Amplifier Power 20 - 100 Watts per channel Inputs Spring-loaded clips Dimensions Overall Depth 2 7/8" (7.30cm) Overall Diameter 9" (22.86cm) Shipping Unit of Measure Pair Total Shipping Weight 6 pounds Installation Cut-Out Diameter 7 5/8" (19.37cm) Mounting Depth (assumes 1/2 in) 2 3/8" (6.03cm) Pre-Construction Bracket PB 60 Warranty* Speaker Warranty Lifetime*To ensure a valid warranty, Polk loudspeakers must be purchased through an Authorized Polk Audio home or car loudspeaker Dealer (such as Amazon.com). (If you're not sure a dealer is "authorized," call Polk Audio at 1-800-377-7655, and ask us.) The warranty is not transferrable, that means it applies only to the original purchaser. If you purchase your speakers from a private individual, that product is considered "used" and has NO factory warranty, no matter what the seller implies. The warranty is VOID if the serial number of the speaker has been removed or defaced. If you have any questions about your warranty coverage, or you think you need service, call Polk Customer Service at 1-800-377-7655. We’re here to help you get the most from your new speakers!in the box 1 pair RC60i in-ceiling loudspeakers Owner’s manual Online registration carduse with these productsRCi in-wall/in-ceiling loudspeakersTSi series of freestanding loudspeakersMonitor series of freestanding loudspeakersdownloadsManualProduct DescriptionRCi Series In-Wall Speakers deliver incredible Polk sound to every room in your home without using any floor or shelf space! Now you have new options for more flexibility and performance from Polk Audio. Out of the box and into the wall (or ceiling), that’s how easy it is to install new Polk Audio RCi Series In-ceiling Loudspeakers like the RC60i. Dynamic Balance drivers and aimable tweeters ensure spacious imaging with amazing clarity in addition to a well-balanced sound in any listening position, no