Sundown Audio Z-Series ZV6 15" 2500W Car Audio Subwoofer/Sub Z v.6 - Showtime Electronics
Rogue Car Audio Vandal 15 – 1200 WATT 15 inch Subwoofer – Droppin HZ Car Audio
AudioPipe Sub-BDC4-15D2 15-Inch Sub Dual 2 Ohm 1400 W RMS Car Audio (2 Pack) - Walmart.com
Amazon.com: Sound Town 15" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement Woofer for PA/DJ Subwoofer, 8-ohm (STLF-1504-8) : Musical Instruments