Memphis Audio VIV1422 SixFive Series 14" dual 2-ohm voice coil component subwoofer at Crutchfield
SUBWOOFERS - Memphis Audio
Subwoofer DD812 D1
Amazon.com: Timpano 12" Sub D4 1200 Watts Max Power Dual 4 Ohm, 12 Inch Car Subwoofer 14 mm Xmax, TPT-T1000-12 D4, 2.4 in Voice Coil, Deep Low Tones Sub Woofer for Car