Sonance Professional Series PS-S83WT Surface-Mount Woofer features the Patented FastMount® bracket and front cable connection to speed up the installation process and provide a clean appearance. The IPX4 rated construction features a weatherproof high-impact, extreme temperature resistant cabinet and corrosion-proof powder coated aluminum grille, lending itself perfectly in both indoor and outdoor applications. An ultra-high-excursion 8” polypropylene woofer delivers effortless and impactful low bass extension and augmentation, at any sound pressure level, making it the perfect partner for the PS-S43T, PS-S53T and PS-S63T Speakers. A full-fidelity transformer delivers uncompromised sonic performance in either high (70V, 100V) or low (8 Ohm) impedance. Additionally, the Sonance PS-S83WT is certified for UL 1480 and UL 2239. Available in either black or white (paintable).