Black Diamond 12" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W MAX | Dual 1-Ohm Voice Coil
Black Diamond 12" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W MAX | Dual 1-Ohm Voice Coil is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
Black Diamond 12" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W MAX | Dual 1-Ohm Voice Coil is backordered and will ship as soon as it is back in stock.
Description
Description
Black Diamond DIA-CARBON12.1D
12" High Excursion Subwoofer with Carbon Fiber Cone – 3500W RMS / 7000W Peak
The DIA-CARBON12.1D is built for monstrous low-end. With a jaw-dropping 3500W RMS and 7000W peak power handling, this 12-inch subwoofer delivers chest-rattling SPL.
Carbon-Fiber Boom
Lightweight yet unbreakable, the real carbon fiber cone and dust cap offer unmatched strength and stiffness. The 22.5mm Xmax excursion moves massive air with tight, distortion-free bass you can feel in your bones.
Engineered for Endurance
A massive 3.5" aluminum voice coil with CCAR winding maximizes heat dissipation, while the 425 oz ferrite magnet packs serious magnetic force to keep your bass clean and powerful.
Versatile Box Compatibility
Drop the DIA-CARBON12.1D into sealed enclosures (~1.3 ft³) for tight, punchy bass, or ported boxes (~2 ft³) for booming low-frequency extension. It flexes to fit your build and your sound.
Maximum Impact
With a wide frequency response from 10Hz to 200Hz and a sensitivity of 82 dB, this subwoofer brings detailed, impactful bass with minimal amplifier strain. Push your system harder without losing clarity or control.
Own the streets with Black Diamond’s DIA-CARBON12.1D!
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: DIA-CARBON12.1D
Loading vehicle fitment…
Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.






