




Alpine S-W12D2
S-Series 12" Dual 2-Ohm Subwoofer
Enjoy a complimentary $75 Installation credit on all Online Orders. Limit one per customer. Terms and Conditions apply.
Need Help?
Alpine S-W12D2 S-Series 12" Dual 2-Ohm Subwoofer
The Alpine S-W12D2 is a high-performance 12" subwoofer engineered for deep, accurate bass reproduction. Featuring a Kevlar-reinforced pulp cone and High-Amplitude Multi-Roll (HAMR) rubber surround, it delivers powerful low-frequency response with minimal distortion. Its dual 2-ohm voice coils offer flexible wiring options, making it an excellent choice for various system configurations.
Key Features | |
---|---|
Subwoofer Type | 12" Dual 2-Ohm Voice Coil |
Cone Material | Kevlar-Reinforced Pulp |
Surround | High-Amplitude Multi-Roll (HAMR) Rubber |
Magnet | Strontium Ferrite |
Grille Compatibility | Grille Sold Separately |
What’s in the Box |
---|
1 × 12" Dual 2-Ohm Subwoofer |
1 × Trim Ring (Installed) |
2 × 3" Jumper Cables |
1 × Mounting Hardware |
1 × Owner’s Manual |
Technical Specifications | |
---|---|
Power Handling (RMS) | 600W |
Power Handling (Peak) | 1800W |
Frequency Response | 26Hz – 200Hz |
Sensitivity | 86.2dB |
Impedance | Dual 2 Ohms |
Voice Coil Diameter | 2.6" |
X-Max (1-Way) | 15mm |
Mounting Depth | 5.06" |
Cutout Diameter | 10.56" |
Recommended Sealed Box Volume | 0.85 cu. ft. |
Recommended Ported Box Volume | 1.51 cu. ft. |
Warranty | 1 Year |

FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.