All-Weather Loudspeaker with 5.25" Mid/Woofer, 5 x 8" Bass Radiator and 1" Tweeter. Fully sealed design provides indoor speaker sound for the great outdoors. Active driver pressure-coupled to racetrack Planar Low Bass Radiator for rich low end. Rugged PolyStone™ enclosures ensure a great performance even in the elements. Galvanized steel mounting brackets give 360-degree placement flexibility.