Dual 4 ohm Voice Coil Aluminum former Aluminum Die Cast Basket Double Stack Magnet Foam Edge Surround Push Type Terminals Voice Coil Ventilation High Excursion Low Frequency Response Chrome Plated T-Yoke / Top plate 600 Watts Continuous Power Rating 1200 Watts Max peak power Recomended Box Volume 1 - 1.25 cu ft. sealed , or usa a standard 12" bandpass box.