Description: The perfect combination of performance and value, the KICKER® CompC™ Subwoofer delivers the bump you’ve been craving! The single-voice-coil CompC Subwoofers make wiring easy with spring-loaded terminals, for easy optimizing of a CX-Series Amplifier. Big power and big bass are easy to get. Features: Single Four-Ohm Voice Coil and Reengineered for Increased Excursion and Deeper Bass Injection-Molded Polypropylene Cone Forced-Air Cooling™ for Outstanding Durability Ribbed Polyurethane Surround Signature Yellow Surround Stitching High-Strength Spiralead™ Tinsel Leads Stamped Steel Basket High Temp Voice Coil Spring-Loaded Speaker Terminals The CompC 12-inch Subwoofer works best with a sealed or ported enclosure and 300 watts of recommended power Specifications: Size [in, cm]: 12, 30 Recommended Amplifier Power [watts RMS]: 150-300 Peak Power Handling [watts, per ANSI/CTA-2031-A]: 600 Sensitivity [dB 1w/1m]: 87.3 Rated Impedance [OHMS]: 4 SVC Fs [Hz]: 30.4 Frequency Response [Hz]: 27-500 Outer Frame Dimension [in, cm]: 12-5/8, 32 Mounting Depth [in, cm]: 5-3/4, 14.6 Mounting Cutout [in, cm]: 11, 27.9 Max Rec Sealed Box Vol [cu. ft, liters: 3.5, 99.1 Min Rec Sealed Box Vol [cu. ft, liters: 1.25, 35.4 Max Rec Vented Box Vol [cu. ft, liters): 2.25, 63.7 Min Rec Vented Box Vol [cu. ft, liters]: 2.25, 63.7 Warranty: 1 Year