Alpine R2-W10D4
R Series 10 inch Subwoofer with Dual 4-Ohm
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Alpine R2-W10D4 R-Series 10" Dual 4-Ohm Subwoofer
The Alpine R2-W10D4 is a 10" subwoofer engineered for deep, accurate bass and high-output performance. Featuring a Kevlar-reinforced pulp cone and a polypropylene/ceramic composite dust cap, it ensures durability and reduced distortion. The High-Amplitude Multi-Roll (HAMR) surround allows for maximum cone excursion, delivering powerful bass response. With dual 4-ohm voice coils and configuration jumpers, it offers flexible wiring options for various system setups.
| Key Features | |
|---|---|
| Subwoofer Type | 10" Dual 4-Ohm Voice Coil |
| Cone Material | Kevlar-Reinforced Pulp |
| Dust Cap | Polypropylene/Ceramic Composite |
| Surround | High-Amplitude Multi-Roll (HAMR) |
| Magnet Structure | Double-Stacked with Integrated Faraday Ring |
| Grille | Optional (KTE-10G, sold separately) |
| What’s in the Box |
|---|
| 1 × 10" Dual 4-Ohm Subwoofer |
| 1 × Cosmetic Trim Ring |
| 2 × Jumper Wires for DVC Configuration |
| 1 × Owner’s Manual |
| Technical Specifications | |
|---|---|
| Power Handling (RMS) | 750W |
| Power Handling (Peak) | 2250W |
| Frequency Response | 26Hz – 200Hz |
| Sensitivity | 82.8dB (1W / 1m) |
| Impedance | Dual 4 Ohms |
| Mounting Depth | 6" (152mm) |
| Cutout Diameter | 9-1/16" (231mm) |
| Voice Coil Diameter | 65mm |
| Xmax | 20mm |
| Magnet Weight | 123 oz |
| Recommended Sealed Box Volume | 0.48 – 0.93 cu. ft. |
| Recommended Ported Box Volume | 0.83 – 1.38 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.