NVX 12" 600 watt RMS 1200 watt Peak Professional Grade VS-Series Dual 4-ohm Car Subwoofer [VSW124V2] 12" VS-Series Dual 4-ohm Car Subwoofer Power Handling: 600 watts RMS - 1200 watts Peak Aluminum Shorting Ring to prevent rises in inductance Non Pressed Paper cone High Roll Custom Blended Foam surround