Hook this 12-inch CompR subwoofer to 500W of power in a sealed or ported enclosure for intense power and reliability. The Spiralead tinsel emits powerful sound, while ribbed Santoprene surround produces deep, clear, chest-thumping bass notes. This CompR subwoofer has dual voice coils with 2 ohms for flexible system design. Geek Squad® Installation RecommendedVisit your local Best Buy store for more information.