NVX 10 inch Professional Grade 350 watt RMS 700 watt Peak Dual 4-Ohm N-Series V2 Car Subwoofer [NSW104V2] Power Handling 300 Watts RMS - 700 Watts Peak High strength steel basket retains exceptional rigidity to minimize distortion Custom Blended High-Roll Foam Surround for extended excursion and accurate bass 2 High Temperature Aluminum Voice Coil Ultra-Light Non Pressed Paper Cone ensures accurate, responsive performance even at high volume levels