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Polk Audio® RCi Series 5.25" Matte White In-Wall Speaker

Model #: RC55i
24368
Polk Audio
At a Glance
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. Lightweight and stiff blue polymer cones deliver excellent damping and bass response.
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Get to know this product.

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.

(RCi series are not suitable for exposed outdoor use. For outdoor speaker fun, use our Atrium® Series.)

  • Slim speakers
  • Premium Materials
  • Simple Setup
Specifications

Construction

Tweeter CompositionMetal Dome
Midrange Size5.25
Midrange CompositionMineral-Filled Polypropylene Cone
Sold AsPair
Speaker TypeIn-Ceiling Speaker
ColorWhite
Optional Accessories(2) PB 55 Pre-Construction Bracket
ShapeRectangle
Dimensions9.625" (24.45 cm) h x 6.25" (15.88 cm) w
Total Frequency Response67 Hz → 20,000 Hz
Nominal Impedance8 ohms
Sensitivity (1 watt @ 1 meter)90 dB
Lower and Upper -3dB Limits70 Hz → 20,000 Hz

Misc. Specs

Product Weight (lbs.)8
Color Finish NameMatte White
Frequency Response67 Hz - 20,000 Hz
Manufacturer WarrantyLimited Lifetime
RMS Power Handling (Watts)100
ColorWhite
Impedance8 ohms
Maximum Power Handling (Watts)100
Sensitivity90 dB
Speaker TypeIn-Wall Speakers
Depth (in.)2
Height (in.)11
Width (in.)7.65
WarningProposition 65 Warning for California Residents