Description

The Polk Audio 255C-RT is a high-performance in-wall center channel speaker designed for seamless home theater integration. Part of Polk’s Vanishing RT Series, this speaker provides clear dialogue, immersive sound, and a clean, clutter-free setup under your wall-mounted TV.

Equipped with dual 5.25″ Dynamic Balance® mineral composite polypropylene woofers, the 255C-RT delivers rich mids and tight, controlled bass. The 1″ pivoting silk/polymer dome tweeter enhances clarity, ensuring every word and whisper is heard with precision. Polk’s PowerPort® technology boosts bass performance, reducing distortion for deep, impactful lows.

Designed to blend into your space, the magnetic Sheer-Grille™ is nearly invisible and paintable to match your wall, ensuring a discreet installation. The tweeter level switch allows for sound customization, optimizing performance based on room acoustics.

Whether used in a 5.1 or 7.1 surround system, the 255C-RT pairs seamlessly with Polk’s floor-standing, bookshelf, or in-wall speakers to create a balanced, powerful home theater setup.

Features:

  • Premium in-wall center channel speaker for home theaters
  • Dual 5.25″ Dynamic Balance® woofers for clear mids and punchy bass
  • Pivoting 1″ silk-dome tweeter for crisp, detailed highs
  • PowerPort® bass technology for deep, distortion-free lows
  • Tweeter level switch for fine-tuned sound customization
  • Paintable Sheer-Grille™ for seamless, stealthy installation
  • Gold-plated push connectors for high-quality audio transmission
  • Slim 3.875” depth for easy in-wall mounting
  • Compatible with Polk’s RT Vanishing Series & traditional speakers

Specifications:

Feature Details
Brand Polk Audio
Model 255C-RT
Speaker Type In-Wall Center Channel Speaker
Total Frequency Response 30 Hz – 27,000 Hz
Lower & Upper -3dB Limits 50 Hz – 25,000 Hz
Nominal Impedance 8 ohms
Sensitivity (1W @ 1m) 90 dB
Recommended Amplifier Power 10W – 150W
Driver Complement (1) 1” Silk-Dome Tweeter, (2) 5.25” Dynamic Balance® Mid/Woofers
Mounting Depth 3.875” (9.84 cm)
Speaker Inputs Gold-Plated Push Connectors
Grille Dimensions (H x W) 9.31” x 14.81” (23.65 x 37.62 cm)
Shape Rectangular
Orientation Horizontal
Cutout Dimensions (H x W) 7.625” x 13.125” (19.37 x 33.34 cm)
Weight 6.6 lbs (2.99 kg)
Optional Accessories PB LCiC Pre-Construction Bracket (Sold Separately)
Included Accessories Paintable Sheer-Grille™
Total Pieces 1
Availability US & International
Warranty Lifetime Warranty

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