Polk Audio 255CLS In-Wall Center Channel Speaker

Polk Audio


  • Frequency response 44-29,000 Hz (-3dB)
  • 1″ Dynamic Balance? ring radiator tweeter
  • Dual 5-1/4″ Dynamic Balance? woofers
  • Handles up to 150 watts
  • Sensitivity 91 dB
  • 8-ohm impedance
  • Timbre matched to Polk LSi series speakers
  • PowerPort? technology for punchier bass
  • Paintable Sheer-Grille? for stealth installation


Answer to the center channel challenge
The center channel speaker is critical in any home theater system, yet it can be the hardest to place. Do you put it below the TV, or get a shelf for it, or what? The in-wall Polk 255c-LS is a great solution.

Big sound, no footprint
This in-wall center channel speaker is built to perform. Potent 5-1/4″ woofers work with Polk’s PowerPort? bass venting technology to deliver punchy lows. A 1″ ring-radiator tweeter extends high-frequency response for incredible details and realistic imaging. You’ll hear every breath of dialogue and every note of music. All of this from a center channel speaker that’s out of sight, in more ways than one.

Sound-shaping controls
A wall distance toggle switch lets you compensate for boominess due to installation near a side wall. You also get a tweeter attenuation switch to help you get balanced sound in rooms with lots of reflective surfaces.

Bring the family
The Polk 255c-LS is timbre-matched to Polk’s free-standing LSi M speakers. It can mingle with matching towers or bookshelves. Or it can join in harmony with other members of the “Vanishing” LS speaker family.

An optional in-wall bracket is recommended for installing the 255c-LS in-wall center channel speaker in a home with new construction.

SKU: 255CLS Category:
Weight 4100 g
Dimensions 425 × 285 × 155 mm

Frequency Response 44-29,000 Hz (-3dB)
Tweeter 1″ Dynamic Balance® ring radiator
Woofers Dual 5-1/4″ Dynamic Balance®
Sensitivity 91 dB
Impedance 8-ohm


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