Let the Music Play
This subwoofer comes with an impedance of 2+2 ohm, a sensitivity of 84dB, and a frequency response of 10-200Hz. Combined with the outstanding power rating, this sub provides plenty of volume for whatever music you want to play.

Sound You Can Feel
A carbon fiber cone with aluminum voice coil gives your music added strength, clarity, and boom, letting you rock the party and shake the ground no matter the venue or audience.

No Heat, No Problem
Durable materials keep this subwoofer protected, and improved heat dissipation lets you play louder and longer without worrying about overheating.

Elevate Your Car Audio
Upgrade your sound system with high-quality speakers, tweeters, subwoofers, enclosures, and more. No matter your build, DS18 has the audio gear you need to play it LOUD.

• Specifications
• Nominal Diameter: 15" / 381mm
• Nominal Impedance: 2+2 Ohm
• RMS Power Handling: 3500W
• MAX Power Handling: 7000W
• Sensitivity (1w/1m): 84dB
• Frequency Response: 10-200Hz
• Recommended Low-Pass Crossover: 60Hz

• Features
• Improved Heat Dissipation: Yes
• Cone Shape: Conic
• Speaker Terminals: Push Terminals 4ga

• Motor
• 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

• Thiele & Small Parameters
• Equivalent Volume: 27.22L / 0.961ft3
• Excursion (one way): 22.5mm
• Free Air Resonance: 37Hz
• Mechanical Factor: 4.72
• Electrical Factor: 0.93
• Total Factor: 0.78
• Moving Mass: 571.9g
• Compliance: 31.57mm/N
• Bl Factor: 23.96
• Voice Coil Inductance: 1.85mH
• Diaphragm Area: 779.3cm2
• DC Resistance: 2+2 Ohms
• Efficiency Bandwidth Product: 39.7

• Recommended Enclosures
• Sealed Internal Volume: 70L / 2.5ft3
• Sealed Box Output Response: 35Hz
• Ported Internal Volume: 113.2L / 4ft3
• Port Size *Square (WxHxLong): 3"x15"x22.4"
• Port Tunning Frequency: 32Hz
• Ported Box Output Response: 25Hz

• Measurement
• 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