100W max, 50W nominal; 8" black woofers are made from genuine DuPont(TM) Kevlar(R) fiber; 25oz magnet ; 1" titanium midrange ; 5" pivoting, soft dome tweeter; Imp: 8ohm ; Freq resp: 30Hz-30kHz; Crossover freq: 750Hz/5kHz ; Sensitivity: 92dB @ 1W/1m ; Auto-reset circuit breaker protected ; Includes grilles, frames, retro rings & cardboard drywall locator ; Cutout dim: 13"H x 9"W; Lifetime warranty; Pair; DuPont(TM) & Kevlar(R) are trademarks or registered trademarks of E.I. du Pont de Nemours & Company;