Amazon.com: pkg SOLID1 - Focal Monoblock 470 W RMS Power Amplifier + Pair of SUB P25 - Focal 10" 200W RMS 400W Max Single 4-Ohm Subwoofer : Electronics
2) FOCAL P 30 12" PERFORMANCE-SERIES SVC 4 OHM SVC CAR AUDIO "SQ" SUBWOOFERS - Walmart.com
2) FOCAL SUB P30 12" 1000W MAX SUBS 4OHM CAR AUDIO SUBWOOFERS BASS SPEAKERS NEW 941015320168 | eBay
Focal Auditor Series RSB-300 12" Dual 4-Ohm Voice Coil Subwoofer with 600W Peak