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Polk Audio 3-way In-Ceiling Speaker

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Overview & Details

Polk Audio 3-way In-Ceiling Speaker
A big speaker that delivers big sound, yet vanishes into your room's decor. The 90-RT is perfect for use as stealth mains, rears and side surrounds in a high performance home theater, or for bringing dynamic sound to alternate zones from your main stereo listening room.
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The Basics

Model #: 90-RT
Color: Black
Country of Origin: China


  • A wafer-thin, magnetically-secured grille
  • Protrudes only 7mm from its surroundings
  • Has nearly transparent, ultra-small perforations
  • Acoustically inert, for dynamic, unimpeded sound and more uniform coverage, even in larger rooms
  • Painted to match your décor, it's virtually indistinguishable from their surroundings

Vanishing reflective room compensation feature
  • Custom audio control that cuts the level only in the 4-5kHz range, exactly where reflectivity destroys sound quality
  • Reflective surfaces in rooms can make sound brighter and cause image distortion
  • By selecting the low setting, it lowers the tweeter level to compensate for reflective surfaces
  • Outside this narrow 1kHz band, the tweeter retains its detailed and accurate high frequency response, for no loss of realistic musical details

Timbre-matched to Polk RTi speakers
  • Insure utterly seamless blending from speaker to speaker in systems that combine traditional and built-in speakers

Dual band-pass bass ports
  • Highly efficient in small enclosures, and smoothly funnels the angled woofer's low frequencies down around the driver array, eliminating "chuffing"
  • Your small, practically invisible in-ceiling speakers achieve superior full-range blending and broad coverage with surprisingly deep bass

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


Polk Audio 3-way In-Ceiling Speaker

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