Black Diamond 18" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W Peak | Dual 2-Ohm Voice Coil

Black Diamond 18" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W Peak | Dual 2-Ohm Voice Coil

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Black Diamond DIA-CARBON18.2D
18" High Excursion Subwoofer with Carbon Fiber Cone | 2-Ohm

The DIA-CARBON18.2D 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, the DIA-CARBON18.2D provides deeper cone travel for louder output and immersive, chest-thumping bass.

Engineered to Stay Cool Under Pressure
Massive 3.5" dual aluminum CCAR voice coils and pro-grade motor structure with advanced heat dissipation keep your subwoofer running strong through long, loud sessions without thermal shutdown.

Built Tough for High Performance
Featuring a 425 oz ferrite magnet, sandblasted aluminum basket, foam surround, and heavy-duty 4GA push terminals, this subwoofer is engineered for reliability and powerful SPL builds.

Versatile Enclosure Recommendations
Optimal performance in sealed (3.2 ft³) or ported (7.5 ft³ with 4"x18"x20" port) boxes, allows you to build the way you prefer.

Dominate any venue with Black Diamond’s DIA-CARBON18.2D!

Complete Your Car Audio System

Match this product with the rest of your build: shop more DS18 car audio, shop car audio subwoofers, and use our guide on subwoofer wiring and ohm load guide. For additional system planning, see shop subwoofer boxes.

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