With select key design and build improvements, the R-Series … Alpine is proud to announce the introduction of the new R-Series Subwoofer lineup that is built off the highly esteemed Type R platform. Alpine 15 Inch Subwoofers. Total Items: 0 Subtotal: $0.00 Grand total: $0.00. 8 Inch Car Subwoofer Speaker - 350 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch High-Temperature Kapton Voice Coil, 87.7 dB, 8 Ohm, 50 oz Magnet - Pyramid PW848USX … Your Cart. https://thoroughlyreviewed.com/automotive/best-15-inch-subwoofer Ground Zero GZHW 38SPL GOLD - 15" Inch 38cm Dual 1-Ohm Gold … Component car subwoofers, typically sold individually, are the best solution for tailoring your car audio system's bass output to your exact tastes. Sort By: There are no products listed under this category. Your Cart Is Empty. Compare . Subwoofers; 15" 15"  View as Grid List. Alpine 15 Inch Subwoofers.