ALPINE R-Series 10 Dual Gap Voice Coil 2250W Subwoofer (4 Ohm) - R2-W10D4
ALPINE R-Series 10 Dual 2 Ohm Dvc 2250W Subwoofer - R2-W10D2
Pioneer TS-D10D4 "D" SERIES 10" SUBWOOFER (D4) - 1500W Max / 500W Nom