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. 12" CompC 4 Ohm SVC CompC Subwoofers are equipped with stamped steel frame construction, inheriting elite innovations for world-class KICKER power, durability and hard-hitting, high-performance bass. The CompC 12-Inch Subwoofer works best with a sealed or ported enclosure and 300 watts of recommended power. See below for more details. | Size 12-inch Voice Coil Single Impedance 4 ohm RMS Power Rating (Watts) 250 Peak Power Rating (Watts) 500 Cone Material Injection Molded Polypropylene Surround Material Polyurethane Free Air No Sensitivity 88.3dB at 1 Watt Frequency Response 27-500hz Top Mount Depth (Inches) 5 7/16 Bottom Mount Depth (Inches) Cutout Diameter (Inches) 10 15/16 Vas (liters) 95.18 Fs (Hz) 30 Xmax (millimeters) 10.3 Warranty 1 Year