The KICKER® CompVR® Subwoofer gives you incredible bang for the buck. Emphasis on bang! 12" CompVR 2 Ohm The CompVR 12-Inch Subwoofer is a 2Ω dual voice coil design, built for easy wiring.This subwoofer uses a large-diameter, progressive-roll spider and a Santoprene surround for truly linear cone movement. All this technology creates outstanding bass in a subwoofer built to make the mirrors shake.The CompVR 12-Inch Subwoofer works best with a sealed or ported enclosure and 400 watts of recommended power. See below for more details. Specifications SIZE [in, cm] - 12, 30 IMPEDANCE [Ohms] - 2 DVC Recommended Amplifier Power (watts RMS) - 400 Peak Power (watts, per ANSI/CTA-2031-A) - 800 SENSITIVITY [dB 1w/1m] - 86.9 MOUNTING DEPTH [in, cm] - 6-1/4, 15.9 MOUNTING DIAMETER [in, cm] - 11, 27.8 MIN SEALED BOX VOL [cu. ft, L] - 1, 28.3 MAX SEALED BOX VOL [cu. ft, L] - 4.6, 130 MIN VENTED BOX VOL [cu. ft, L] - 1.75, 49.6 MAX VENTED BOX VOL [cu. ft, L] - 2.25, 63.7 *Assumes typical music program with minimal amplifier clipping; varies with enclosure size. See your KICKER dealer for details. **Port Volume Excluded. Due to continual developement, product, and specifications are subject to change without notice. Stillwater Designs and it's agents are not responsible for typographical errors. Have Questions About This Product? Message us here or: Email Us At: [email protected] Call Us At: 315-458-5000