Signature Stitches Our signature yellow stitching creates a superior bond between the tough, ribbed polyurethane surround and polypropylene cone for the best in reliability. Poly Perfection CompC subwoofers have a lightweight, injection-molded polypropylene cone to eliminate flex and distortion. You get a deep, accurate sound no matter how hard you push it. Stay Cool Perimeter venting slots allow air to constantly circulate around the motor to maintain the perfect operating temperature. Your setup. Your way. Single and dual-voice-coil four-ohm options let you get the most out of your amp. You Make It Bump With recommended power ratings as high as 600 watts, this KICKER sub delivers serious bass! Use a CX amplifier for the perfect marriage of power and performance. 8" CompC 4 Ohm DVC CompC Subwoofers are equipped with a stamped steel frame and world-class durability for hard-hitting, high-performance bass. The CompC 8-Inch Subwoofer works best with a sealed or ported enclosure and 200 watts of recommended power. See below for more details. | Size 8-inch Voice Coil DVC Impedance 4 ohm RMS Power Rating (Watts) 300 Peak Power Rating (Watts) 600 Cone Material Injection Molded Polypropylene Surround Material Polyurethane Free Air No Sensitivity 85.6dB at 1 Watt Frequency Response 30-500hz Top Mount Depth (Inches) 4 Bottom Mount Depth (Inches) Cutout Diameter (Inches) 6 15/16 Vas (liters) 18.54 Fs (Hz) 40 Xmax (millimeters) 8.6 Warranty 1 Year