Acoustic Audio 8PKG-BASS10 7200W 15&rdquo; High Performance Car Subwoofers Acoustic Audio 4-Pair 900 Watt 15 Car/Marine Audio High Performance Subwoofers 7200 Watts Peak Power Handling (Total) / 900 Watts Peak Power Handling (Each) Poly Zirconium Cone Oversized Butyl Rubber Surround 60 oz. Magnet