Kicker 10C124 Comp 12-Inch Subwoofer 4 SVC (Black) Worlds best subwoofer value, still under $100 Best-sounding, loudest bass for the buck Super-rigid, injection-molded cone with 360-degree back bracing - High-temp coil wire - Vented pole piece for heat dissipation Strong steel basket with coil-cooling perimeter venting Ribbed surround for strength at high excursion Durable Spiralead tinsel leads - Tough, yellow double-stitching on surround Handy spring-loaded terminals