Focal Sub p 30 f Performance Expert 12 Subwoofer (each) Sms Car Audio
Focal Sub 12 Dual 12" dual 4-ohm voice coil subwoofer at Crutchfield
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