Alpine RS-W12D4
12-Inch R-Series Shallow Subwoofer with Dual 4-Ohm Voice Coils
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Alpine RS-W12D4 12" R-Series Shallow Subwoofer
The Alpine RS-W12D4 is a 12-inch shallow-mount subwoofer engineered to deliver powerful, accurate bass in tight spaces. Built with Alpine’s R-Series DNA and featuring a neodymium magnet, 4" voice coil, and ultra-shallow mounting depth, this subwoofer combines space-saving convenience with serious performance for demanding audio systems.
Key Features
| Feature | Details |
|---|---|
| Subwoofer Type | 12" Shallow-Mount Subwoofer |
| Voice Coils | Dual 4-Ohm |
| Power Handling | 600W RMS / 1800W Peak |
| Frequency Response | 26Hz – 200Hz |
| Sensitivity | 81 dB |
| X-Max | 20mm |
| Mounting Depth | 3.25" (82.55mm) |
| Voice Coil Diameter | 4" (102mm) |
| Magnet Type | Neodymium |
| Frame | Cast Aluminum |
| Dust Cap | Aluminum |
| Recommended Enclosure | Sealed Box (0.65 – 1.5 cu. ft.) |
| Warranty | 1 Year |
What’s in the Box
| Alpine RS-W12D4 12" Subwoofer |
| Plastic Trim Ring |
| 2 x 18" Jumper Wires (12-gauge) |
| 2.5mm Hex Key |
| Owner’s Manual |
| Warranty Card |
| Online Product Registration Info |
Technical Specifications
| Spec | Value |
|---|---|
| Subwoofer Size | 12" (30.5 cm) |
| Voice Coil Configuration | Dual 4-Ohm |
| Power Handling | 600W RMS / 1800W Peak |
| Frequency Response | 26Hz – 200Hz |
| Sensitivity | 81 dB |
| X-Max | 20mm |
| Mounting Depth | 3.25" (82.55mm) |
| Cutout Diameter | 11.02" (280mm) |
| Voice Coil Diameter | 4" (102mm) |
| Magnet Type | Neodymium |
| Frame Material | Cast Aluminum |
| Dust Cap Material | Aluminum |
| Recommended Enclosure | Sealed Box (0.65 – 1.5 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.