Premium Drivers: High excursion, compact subwoofer. The Monolith M IWSUB82 features two 8' polypropylene cone subwoofers with rubber surrounds to provide ample bass in a home theater, audio, or media installation. Easy Install: The heavy duty mounting tabs make for a fast and problem free installation. The magnetically detachable grille is powder coated in white and can be painted to match any decor. Equipped with two highend, compact, 8' polypropylene woofers, heavy duty mounting tabs, and a paintable magnetic grille. Adds powerful bass to your inwall or inceiling home theater system.