Polk Audio db1212 12-Inch Subwoofer (Single, Chrome) A single slot vented trapezoid subwoofer speaker Equipped with 12-inch Dynamic Balance polymer composite cone Frequency response: 26-200 Hz Power handling: 360 watts continuous, 720 watts peak Equipped with a Klippel optimized component using a state-of-the-art Klippel Distortion Analyzer