American Bass Speakers HD18 D1 C 18" Subwoofer 1500W RMS

American Bass Speakers HD18 D1 C 18" Subwoofer NEW! AUTHORIZED DISTRIBUTOR! BRAND NEW, UNOPENED The HD series of subwoofers are ultra-heavy-duty subwoofers designed with gut-wrenching power and reliability in mind. The HD series produces some serious low-end, with enough power to rattle the most die-hard bass enthusiast.American Bass does not cover rear view mirrors and shattered windshields.   SPECS HD 10 HD 12 HD 15 HD 18 RMS POWER 1500W 2000W 2000W 1500W MAX POWER 3000W 4000W 4000W 3000W IMPEDENCE (OHMS) D2 D2 D2 D2 SENSITIVITY DB 87.2 88.9/89.2 91.2/91.3 93.4/92.8 MOUNTING DEPTH (IN) 7.71 7.67 8.14 9.72 CUTOUT SIZE (IN) 9.25 11.33 13.77 16.61 PORTED BOX (FT3) 1.5-1.75 2.5-2.75 3-3.50 5.5-6.5 MAGNET SIZE (OZ) 350 350 300 350 VOICE COIL SIZE 3 3 3 3 BASKET TYPE CAST CAST CAST CAST RECOMMENDED AMP (PAIR) VFL 3K VFL 4K VFL 4K VFL 4K     AS