Polk Audio 255CRT 150W In-Wall Centre Channel Speaker

Model Number: 255C RT
Web Code: 10482687


Enjoy sensational sound in a seamless design with this 255c-RT in-wall centre speaker from Polk Audio. Its wafer-thin Sheer-Grille protrudes a mere 7mm from the wall and is painted to match your décor and blend right into its surroundings. Features like reflective room compensation and PowerPort bass venting ensure crystal-clear audio with deep, punchy bass.
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  • This in-wall centre speaker features Polk Audio's wafer-thin Sheer-Grille, a magnetically-secured grille that extends only 7mm from the wall
  • The grille is virtually transparent and is acoustically inert to deliver dynamic, unimpeded sound and more uniform coverage
  • The speaker is painted to match your décor, making it practically indistinguishable from its surroundings
  • Timbre-matched to Polk RTi speakers to provide seamless blending from speaker to speaker in systems that include both built-in and traditional speakers
  • Reflective room compensation feature lowers the tweeter level to compensate for reflective surfaces to deliver optimal audio performance
  • PowerPort bass venting allows the airflow to transition smoothly from the port to your listening area, removing turbulence and distortion to deliver a richer, deeper bass response
  • Features easy one-cut, drop-in installation with Perfect Fit installation templates and a precision flange
Number of Speakers Included
Speaker Type
In-Wall Speaker
Frequency Response
30Hz - 33Khz
Magnetically Shielded
Power Capability
150 W
91 dB
8 Ohm
Mid Range Speaker Size
Tweeter Size
Woofer Size
5.25 in
Wireless Multi-Room Capability
Maximum Number Of Interconnectable Speakers
Bluetooth Connectivity
Dolby Atmos
Works with Google Assistant
Works with Amazon Alexa


37.62 cm
23.65 cm
9.84 cm
Width (Inches)
14.81 in
Height (Inches)
9.31 in
Depth (Inches)
3.86 in
3.09 kg
  • Speaker, Grille, Manual

  • Expected more for the money...

    from Best Buy US on April 13, 2019

    This was installed in my master bedroom as a part of a simple, but decent 5.1 Surround Sound setup. My wife and I enjoy watching scary movies in bed and usually don't have the volume up that high because we have small children that go to bed right down the hall from us. The Subwoofer sounded ok-good when first installed, but I always felt that is was "loose". Recently I noticed a ticking noise coming from it and thought that there was something rattling nearby. I determined it was in fact the sub had blown. I was fortunate to have a spare def tech sub to replace it with and wish I would've never bought the Polk to begin with. My def tech sub was a little more expensive, but the sound doesn't even compare. I would steer clear of this Polk subwoofer.

  • still not working

    from Best Buy US on May 4, 2018

    My speakers have not really worked since they installed them i dont hink it is the speakers fault te geek squad is not that talented on the install side.

  • Great sound

    from Best Buy US on September 3, 2017

    Great Speaker purchase and at a fantastic price as well.

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