150W max; Dual 5.25" woven woofers are made from genuine DuPont(TM) Kevlar(R) fiber; Butyl rubber surrounds; 1" lens-free aluminized ferrofluid, pivoting dome tweeter; Imp: 8ohm ; Sensitivity: 91dB @ 1W/1m; Freq resp: 45Hz-22kHz; High-temperature, polyimide voice coils; 3rd-order electro-acoustic crossover glass epoxy PC board, low DCR inductors, tight-tolerance metalized polypropylene capacitors & gold-plated terminals; Clamp-ring mounting system; Acoustically transparent scrim cloth grille; Overall dim: 15.25"H x 9"W; Each; DuPont(TM) & Kevlar(R) are trademarks or registered trademarks of E.I. du Pont de Nemours & Company;