Alpine S2-W12D4 12" S-Series Subwoofer
Deep Bass with Control and Flexibility
The Alpine S2-W12D4 12" S-Series Subwoofer is built to deliver powerful low-frequency performance with precision and clarity. Designed with advanced materials and Alpine engineering, it brings deep, impactful bass to a wide range of system builds while maintaining reliability and efficiency.
Key Features
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12" S-Series Subwoofer – Produces deep, full-bodied bass with strong musical accuracy
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600W RMS / 1,800W Peak Power Handling – Handles high power levels while maintaining clean output
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Dual 4-Ohm Voice Coils – Flexible wiring options for different amplifier configurations
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Carbon Fiber and Polypropylene Cone – Lightweight, rigid design for reduced distortion and improved response
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High-Amplitude Multi-Roll (H.A.M.R.) Surround – Enables greater cone excursion for deeper bass and higher output
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Polypropylene and Ceramic Dust Cap – Improves durability and cone stability
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High-Strength Strontium Ferrite Magnet – Delivers consistent motor force and precise control
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Configuration Jumpers Included – Simplifies wiring setup and impedance selection
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Twist-Lock Grille Mount System – Supports optional grille installation without exposed hardware
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Push-Type Speaker Terminals – Accepts up to 8 AWG wire for secure installation
Powerful Everyday Bass
The S2-W12D4 is designed for listeners who want strong, controlled bass that enhances every genre of music. It delivers tight low-end response for accurate playback while still producing the depth and impact expected from a 12-inch subwoofer.
Engineered Cone Performance
A carbon fiber and polypropylene cone provides the ideal balance of stiffness and low mass. This improves responsiveness and reduces distortion, allowing the subwoofer to stay clean and controlled even at higher output levels.
H.A.M.R. Surround Technology
The High-Amplitude Multi-Roll (H.A.M.R.) surround allows increased cone movement while maintaining control. This results in deeper bass extension, improved efficiency, and stronger overall output without sacrificing accuracy.
Flexible System Integration
Dual 4-ohm voice coils allow multiple wiring configurations, making it easy to match different amplifier setups. This flexibility supports both entry-level and upgraded systems, whether running a single sub or multiple sub configuration.
Built for Long-Term Reliability
Designed for daily use, the S2-W12D4 uses durable components that maintain performance over time. Its motor structure and suspension are engineered for consistent output and dependable operation.
Ideal Applications
- Sealed enclosures for tight, accurate bass
- Ported enclosures for higher output and deeper extension
- Factory audio upgrades
- Performance daily driver systems
- Single or multi-subwoofer builds
What's Included
- S2-W12D4 12" Subwoofer
- Configuration jumpers
- Installation hardware
- Owner’s manual
The Alpine S2-W12D4 delivers strong, controlled bass with the flexibility to fit a wide range of audio systems, making it a solid foundation for serious car audio upgrades.
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| Specification |
Value |
| Speaker Size |
12" |
| Power Handling |
600W RMS / 1,800W Peak |
| Voice Coil Configuration |
Dual 4-Ohm |
| Frequency Response |
23Hz – 215Hz |
| Sensitivity |
86.2dB |
| Voice Coil Diameter |
2.6" |
| X-Max (One-Way) |
15mm |
| Magnet Type |
Strontium Ferrite |
| Cone Material |
Carbon Fiber / Polypropylene |
| Surround Type |
H.A.M.R. Rubber Surround |
