Alpine R2-W12D4 R-Series 12″ Dual 4 Ohm DVC Subwoofer
Alpine R2-W12D2 R-Series 12″ Dual 2 Ohm DVC Subwoofer
Alpine R2-W10D4 R-Series 10″ Dual Gap Voice Coil 2250W Subwoofer (4 Ohm)
Alpine R2-W10D2 R-Series 10″ Dual 2 Ohm DVC 2250W Subwoofer
Alpine PWE-S8 8″ Performance Quad-Coil Subwoofer System
Alpine R2-W8D4 R-Series 8" Dual Voice Coil Subwoofer
