CERWIN VEGA ST152D Stroker 2400 Watts 2 Ohms/1200Watts RMS Power Handling Max 15-Inch Dual Voice Coil Cerwin-Vega Mobile has established an unsurpassed reputation for performance quality efficiency and reliability. Modern design innovations such as an elevated motor structure for advanced cooling application is what keeps the STROKER subwoofers ahead of the game! A lot of that praise can be attributed to the STROKER series of products. The new STROKER series subwoofers will continue to add to the legacy!