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2x Alpine R2-W8D4, R Series 8" Dual 4 Ohm Voice Coil Subwoofers - Pair
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Experience next-level bass with Alpine’s 2nd-Gen R-Series 8-inch Subwoofer (R2-W8D4), featuring advanced sound performance and dual 4-ohm voice coils for flexible configurations. Designed with a powerful, double-stacked magnet structure, this subwoofer offers deep, controlled bass with minimized distortion thanks to an integrated Faraday ring. The Kevlar-treated cone ensures durability, while the unique polypropylene/ceramic composite dust cap provides internal damping for consistent, high-quality sound output. Built for reliability, the R2-W8D4 can handle high volumes without sacrificing performance. The High Amplitude Multi-Roll (HAMR) Surround Technology enables 12mm cone excursion, promoting accurate, clean bass movement. An “EZ-Change” twist-lock grille system (compatible with the KTE-8G, sold separately) offers protection and ease of installation, making it perfect for seamless integration into your sound system. Elevate your listening experience with a subwoofer engineered for superior bass output, reliability, and versatility. The 2nd-Gen R-Series Subwoofer embodies Alpine’s legacy of innovation and powerful sound performance, providing a dynamic addition to any car audio setup.
Next-Generation 8-inch R-Series Subwoofer with Dual 4-Ohm Voice Coils
The next generation of sound performance is here with the 2nd-Gen R-Series Subwoofers featuring a larger motor structure for more accurate and authoritative bass.
Next-Gen Sound Performance
New Motor Structure
|
Size |
8-inch |
Voice Coil |
DVC |
Impedance |
4 ohms |
RMS Power Rating (Watts) |
600 |
Peak Power Rating (Watts) |
1800 |
Cone Material |
Kevlar Reinforced Paper |
Surround Material |
Santoprene Rubber |
Free Air |
No |
Sensitivity |
83.7dB at 1 Watt |
Frequency Response |
30-200hz |
Top Mount Depth (Inches) |
4 11/16" |
Bottom Mount Depth (Inches) |
|
Cutout Diameter (Inches) |
6 15/16 |
Vas (liters) |
10.5 |
Fs (Hz) |
43Hz |
Xmax (millimeters) |
12 |
Warranty |
1 Year |
Size |
8-inch |
Voice Coil |
DVC |
Impedance |
4 ohms |
RMS Power Rating (Watts) |
600 |
Peak Power Rating (Watts) |
1800 |
Cone Material |
Kevlar Reinforced Paper |
Surround Material |
Santoprene Rubber |
Free Air |
No |
Sensitivity |
83.7dB at 1 Watt |
Frequency Response |
30-200hz |
Top Mount Depth (Inches) |
4 11/16" |
Bottom Mount Depth (Inches) |
|
Cutout Diameter (Inches) |
6 15/16 |
Vas (liters) |
10.5 |
Fs (Hz) |
43Hz |
Xmax (millimeters) |
12 |
Warranty |
1 Year |
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to