Polk Audio RC55i




• ideal for stereo music or the left and right front or surround channels of a home theater
• 5-1/4″ woofer and 3/4″ swivel-mount tweeter
• frequency response: 70-20,000 Hz
• impedance: 8 ohms
• sensitivity: 89 dB
• recommended amplification: 20 to 100 watts
• Sold as a Pair

Special Order: 7 to 12 Days

SKU: RC55i Category: Tags: ,

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  • Ships within 3 to 5 days
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Easy Installation
Easy one-cut, drop-in installation 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.

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.

Cone Material
Lightweight and stiff blue polymer cones deliver excellent damping and bass response.

Surround Material
Durable, computer-modeled, injection-molded butyl rubber surrounds suppress unwanted cone resonances for a lifetime of reliable sound.

Aimable Tweeters
Aimable swivel tweeters for greater accuracy and more realistic imaging.

Dynamic Balance®
Polk’s proprietary, patented Dynamic Balance® technology allows our engineers to design out distortion-causing driver and system resonances, so you only hear the good sounds.

Klippel Motor Optimization
This technology uses laser measurement to ensure a smooth excursion path at either end of the volume spectrum for uniform performance at both low and high volumes.

Paintable Grilles
Paintable grilles let you build them in, and then forget all about them; RCi Series speakers practically disappear into any room.

Timbre Matched
RCi Series speakers are timbre-matched to other Polk speakers to insure utterly seamless blending from speaker to speaker in systems that combine traditional and built-in speakers.

Moisture-Safe Design

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.


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Additional information

Weight 13 lbs
Dimensions 8 × 12 × 15 in


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