BLACK DIAMOND DIA-CARBON15.2D 15" High Excursion Subwoofer with Carbon Fiber Cone 3500W Rms - Competition-Grade Pro Audio Subwoofer for Extreme Bass

Features

• Massive Power for Ground-Shaking Bass - Dominate the lows with an insane 3500W RMS / 7000W MAX power handlingengineered for high-performance car audio systems that demand maximum SPL. This 15-inch subwoofer is built for bassheads who want competition-level output and deep, earth-rattling frequencies
• Advanced Motor Design with 425 Oz Ferrite Magnet - Unleash high-efficiency output and unmatched control with a 3.5" aluminum voice coil, carbon fiber cone, and a 425 oz ferrite magnet. The spider-crossed leads and improved heat dissipation ensure reliability even during extended high-power sessions
• Precision-Optimized Tuning & Performance - Achieve tight, accurate bass with Thiele/Small specs like a 0.89 Qts, 22.5mm Xmax, and 38Hz Fs. Ideal for sealed or ported enclosures (2.54 ft3), this sub hits subsonic lows as deep as 25Hzperfect for sound quality and SPL lovers alike
• Built Tough with Premium Carbon Fiber Components - Lightweight yet ultra-rigid carbon fiber cone and dust cap provide strength without distortion. Coupled with an aluminum black basket, high-strength foam surround, and 4-gauge push terminals, this sub is designed for aggressive builds and clean installs
• Enclosure-Ready with Versatile Mounting Dimensions - At 15.5 total diameter and just 10.9 mounting depth, this sub fits most standard 15" enclosures. Whether youre building a sealed or ported box, the included port dimensions (Fb: 32Hz) and enclosure volume recommendations make system design simple

Description

General SpecificationsNominal Diameter: 15" / 381mm Nominal Impedance: 2 + 2 Ohms RMS Power Handling: 3500W MAX Power Handling: 7000W Sensitivity (1w/1m): 84dB Frequency Response: 10Hz – 200Hz Recommended Low-Pass Crossover: 60HzFeaturesImproved Heat Dissipation: Yes Cone Shape: Conic Speaker Terminals: 4-Gauge Push TerminalsMotor StructureVoice 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 OzThiele/Small ParametersEquivalent Volume (Vas): 27.22L / 0.961ft³ Excursion (Xmax, one way): 22.5mm Free Air Resonance (Fs): 37Hz Mechanical Q (Qms): 4.72 Electrical Q (Qes): 0.93 Total Q (Qts): 0.78 Moving Mass (Mms): 571.9g Compliance (Cms): 31.57mm/N BL Factor (Bl): 23.96 Voice Coil Inductance (Le): 1.85mH Diaphragm Area (Sd): 779.3cm² DC Resistance (Re): 2 + 2 Ohms Efficiency Bandwidth Product (EBP): 39.7Recommended EnclosuresSealed Internal Volume: 70L / 2.5ft³ Sealed Box Response (F3): 35Hz Ported Internal Volume: 113.2L / 4ft³ Square Port Dimensions (W x H x L): 3" x 15" x 22.4" Port Tuning Frequency (Fb): 32Hz Ported Box Response (F3): 25HzPhysical MeasurementsOverall Diameter: 15.5" / 394mm Overall Depth: 12.75" / 324mm Front Baffle Cutout Diameter: 14.15" / 360mm Mounting Depth: 10.9" / 277mm Motor Diameter: 9" / 230mm

Brand: BLACK DIAMOND

Speaker Maximum Output Power: 7000 Watts

Connectivity Technology: Wired

Mounting Type: Pro Car Audio

Model Name: High Excursion Subwoofer with Carbon Fiber Cone

Speaker Type: Subwoofer

Special Feature: Advance Heat Dissipation, Aluminum Basket, Carbon Fiber Cone, High Excursion Design

Recommended Uses For Product: Pro Car Audio

Included Components: Quick Start Guide

Product Dimensions: 12.75"D x 15.5"W x 15.5"H

Impedance: 2 Ohm

Number of Items: 1

Speaker Size: 15 Inches

Vehicle Service Type: Bus, Car, Truck

UPC: 810097268432

Manufacturer: Black Diamond

Item model number: DIA-CARBON15.2D

Date First Available: June 26, 2025