LEGRAND MS3650 On-Q Speaker 6-1/2 in dia 91 db

3000 Series 6.5 Ceiling Speakers (Pair), Designed specifically for multi-room audio installations, the 3000 Series In-Ceiling Speaker includes high-efficiency blue mica fiber woofers and silver mylar tweeters for excellent sound quality and even, smooth frequency response., •Affordable high-efficiency speakers with low distortion provide a crisp, clear sound, •Foam gaskets minimize vibration and provide air-tight seal, •Exceptional value for affordable whole-house audio distribution, •Feature mica fiber woofers, PEI mylar tweeters