2) FOCAL SUB P30 12" 1000W MAX SUBS 4OHM CAR AUDIO SUBWOOFERS BASS SPEAKERS NEW | eBay
BB Distribution - The 4 Focal Flax subwoofers consist of straightforward 4-Ohm voice coils which are perfectly suited for small enclosures (closed or bass-reflex) as small as 0.35 CuFt. The Flax subwoofers
Focal E 30 KX - K2 12" Dual 4 Ohm Voice Coil Car Subwoofer 1600W Bass Woofer | eBay