Audio Visual World - Ground Zero GZPW10SPL 10 Inch 25cm 6500 Watts SPL Dual 1.6-Ohm Car Subwoofer
Pair of Car Vehicle Subwoofer Audio Speaker - 10 Inch Competition Grade Pressed Paper Cone, 4 Ohm Impedance, Advanced Air, 1000W Power for Stereo Sound System - TaliaPosy K710 (2 Subwoofers) PK10" - Walmart.com
DB Drive SPX10D4 10″ 4Ω DVC Competition Subwoofer / 900 W