Constructed with 5/8" MDF, Power Handling: 1200 Watts RMS - 2400 Watts Max</br>High current binding posts</br>Proprietary high-flow, low noise port, Woofer Size: 12"</br>Nominal Impedance (ea): 1-Ohm Internally wired to create a 1-Ohm amplifier load</br></br>Product Description</br></br>Dual P3D4-12, 1200 watts RMS Subwoofer Enclosure</br><br/>http://www.amazon.com/gp/product/B004V9GSKC