Black Diamond 18" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W Peak | Dual 1-Ohm Voice Coil

Black Diamond 18" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W Peak | Dual 1-Ohm Voice Coil. DS18 — sold & professionally installed by Tinted Tunez, authorized DS18 dealer in Angleton, TX. Black Diamond DIA-CARBON18.1D 18" High Excursion Subwoofer with Carbon Fiber Cone | 1-Ohm The DIA-CARBON18.1D delivers earth-shaking bass with 3500W RMS and a peak of 7000W. This 18-inch sub moves massive air for SPL competitions and serious audio enthusiasts. Lightweight Carbon Fiber Its ultra-rigid carbon fiber cone and dust cap reduce distortion and improve responsiveness, delivering clear, tight lows even at extreme volumes. True High-Excursion Design With an impressive 22.5mm Xmax, th