Price Match Guarantee Polk Audio 255CLS In-Wall Center Speaker The Polk Audio Vanishing Series in-wall loudspeakers feature a precision-engineered, minimally flanged design and Polk's exclusive Sheer-Grille, which protrudes only 7mm from its surroundings. Installing virtually flush in your wall, the Polk Audio Vanishing Series in-wall loudspeakers offer a one-cut, drop-in installation and rotating cam stabilizing system. The Vanishing LS series in-wall speakers are timbre-matched to Polk Audio's flagship LSi and LSiM series loudspeakers for seamless blending from speaker to speaker when you're building a speaker system. Polk Audio 255CLS Product Highlights: 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 PowerPort® technology for punchier bass Paintable Sheer-Grille™ for stealth installation Cutout: 13-1/8"W x 7-5/8"H Mounting depth: 3-13/16" Our 30-day money