Focal E 30KX K2 Power Series 12" dual 4-ohm voice coil component subwoofer at Crutchfield
Sub 12 - Subwoofer | Focal
Focal Sub 12 Dual 12" Double Voice Coil 4-Ohm Subwoofer - Pair | World Wide Stereo
Focal 12" Single Voice Coil Subwoofer - SUB 12 | Abt
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