KICKER
KICKER 15" CompVR 4 Ohm
The KICKER® CompVR® Subwoofer gives you incredible bang for the buck. Emphasis on bang!
15" CompVR 4 Ohm
The CompVR 15-Inch Subwoofer is a 4Ω dual voice coil design, built for easy wiring. 
A solid pole piece and perimeter venting allows superb heat dissipation without breakdown and improved bass response. The Santoprene surround and progressive-roll spider keep the cone response smooth, linear and accurate at any volume level. 
The CompVR 15-Inch Subwoofer works best with a sealed or ported enclosure and 500 watts of recommended power. See below for more details.

Specifications
| SIZE [in, cm]: | 
| 15, 38 | 
| IMPEDANCE [Ohms]: | 
| 4 DVC | 
| POWER WATTS [peak/RMS]: | 
| 1000/500 | 
| SENSITIVITY [dB 1w/1m]: | 
| 89.2 | 
| MOUNTING DEPTH [in, cm]: | 
| 8-3/16, 20.7 | 
| MOUNTING DIAMETER [in, cm]: | 
| 13-11/16, 34.7 | 
| MIN SEALED BOX VOL [cu. ft, L]: | 
| 1.8, 51 | 
| MAX SEALED BOX VOL [cu. ft, L]: | 
| 5.2, 147 | 
| MIN VENTED BOX VOL [cu. ft, L]: | 
| 3, 85 | 
| MAX VENTED BOX VOL [cu. ft, L]: | 
| 5, 142 |