Black Diamond 15" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W Peak | Dual 1-Ohm Voice Coil
Product Overview Black Diamond DIA-CARBON15.1D – 15" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS...
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Product Overview
Black Diamond DIA-CARBON15.1D – 15" High Excursion Subwoofer with Carbon Fiber Cone | 3500W RMS / 7000W Peak | Dual 1-Ohm Voice Coil | Deep Bass for Car Audio & SPL Builds
MASSIVE BASS POWER – Push your system to the limit with 3500W RMS / 7000W Peak Power. The DIA-CARBON15.1D delivers extreme low-end performance, perfect for SPL builds and high-output car audio systems.
REAL CARBON FIBER CONE & DUST CAP – Built with premium carbon fiber for faster response, reduced distortion, and lightweight durability. This sub stays sharp and clean, even at full excursion.
TRUE HIGH-EXCURSION PERFORMANCE – Features an Xmax of 22.5mm, allowing deeper cone movement for earth-shaking bass and low-end precision that you can feel in every beat.
3.5” CCAR ALUMINUM VOICE COIL – Oversized and heat-tolerant for consistent, distortion-free output during long, loud sessions. Advanced cooling keeps your sub performing under pressure.
MASSIVE MOTOR STRUCTURE – Equipped with a 425 oz ferrite magnet to create a powerful magnetic field for better bass control and tight SPL performance.
Key Features
- Carbon Fiber Cone
- Carbon Fiber Dust Cap
- SPL-Competition
- High Excursion
- Aluminum Basket
Specifications
| Nominal Diameter | 15" / 381mm |
|---|---|
| Nominal Impedance | 1+1 Ohm |
| RMS Power Handling | 3500W |
| MAX Power Handling | 7000W |
| Sensitivity (1w/1m) | 84dB |
| Frequency Response | 10-200Hz |
| Recommended Low-Pass Crossover | 60Hz |
| Improved Heat Dissipation | Yes |
| Cone Shape | Conic |
| Speaker Terminals | Push Terminals 4ga |
| Voice Coil Diameter | 3.5" / 89mm |
| Voice Coil Former Material | Aluminum |
| Winding Material | CCAR |
| Cone Material | Carbon Fiber |
| Dust Cap Material | Carbon Fiber |
| Dust Cap Size | 7" / 180mm |
| Surround Material | Foam |
| Spider Diameter | 9" / 228mm |
| Leads Connection Type | Spider Crossed |
| Basket Material | Aluminum |
| Basket Color/Finish | Aluminum/Black |
| Magnet Material | Ferrite |
| Magnet Weight | 425 Oz |
| Equivalent Volume Vas | 34.26L / 1.209ft3 |
| Excursion (one way) Xmax | 22.5mm |
| Free Air Resonance Fs | 38Hz |
| Mechanical Factor Qms | 5.224 |
| Electrical Factor Qes | 1.083 |
| Total Factor Qts | 0.89 |
| Moving Mass Mms | 442.7g |
| Compliance Cms | 39.72mm/N |
| Bl Factor BI | 13.96 |
| Voice Coil Inductance Le | 0.88mH |
| Diaphragm Area Sd | 779.3cm2 |
| DC Resistance Re | 1+1 Ohms |
| Efficiency Bandwidth Product EBP | 35 |
| Sealed Internal Volume | 70L / 2.5ft3 |
| Sealed Box Output Response F3 | 35Hz |
| Ported Internal Volume | 113.2L / 4ft3 |
| Port Size *Square (WxHxLong) | 3"x15"x22.4" |
| Port Tunning Frequency Fb | 32Hz |
| Ported Box Output Response F3 | 25Hz |
| Overall Diameter | 15.5" / 394mm |
| Overall Depth | 12.75" / 324mm |
| Front Mount Baffle Cutout | 14.15" / 360mm |
| Mounting Depth | 10.9" / 277mm |
| Motor Diameter | 9" / 230mm |
Manuals & Documents
Shipping
Most products ship directly from our vendor warehouses or distributor network. Shipping times can vary depending on the brand, product size, availability, and destination.
Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
If there is ever an issue with availability, shipping cost, or delivery timing, we will contact you before moving forward with the order.
Returns
Returns may be accepted on most new, unused, unopened items within 30 days of delivery. Items must be in original packaging and in resellable condition.
Installed, used, damaged, missing-parts, electrical, special-order, clearance, or custom-built items may not be eligible for return.
Return shipping is normally the customer’s responsibility unless the return is due to our mistake, such as the wrong item being shipped.
Before sending anything back, please contact Kaos Offroad so we can review the order and provide return instructions. Returns sent without approval may be refused.
Important Notes
Some products are vehicle-specific. Please verify fitment before ordering. If you are unsure, contact us with your year, make, model, sub-model, and any relevant details before purchasing.
Original shipping charges, freight charges, and vendor restocking fees may be non-refundable depending on the item and supplier policy.