Featuring powder-coated baskets made with a satin black finish, as well as an anodized surround clamp ring, the JL Audio 10W7AE-3 is a powerful subwoofer than can enhance a car audio system. This 10-inch automotive subwoofer can be used in a 1.25 cubic feet sealed enclosure or a 1.50 cubic feet ported enclosure. The continuous handling power of this JL Audio car subwoofer is 750 watts while the recommended RMS handling power ranges from 300-750 watts. The diameter for the mounting hole is 8.74 inches while the diameter for its magnet is 6.55 inches. The free air resonance rate on this JL Audio car subwoofer is 30.6 Hz and it has 3-Ohm impedance. Heavy steel bolts are necessary to mount the JL Audio 10W7AE-3 in order to make sure it is secure and prevent injuries. The enclosure for this JL Audio car subwoofer measures 11.5 inches tall by 15.5 inches wide by 18.25 inches deep. The total weight of this 10-inch automotive subwoofer is 30 lbs.