JL Audio 10W7AE-3 JL Audio 10" W7 Series 3-Ohms Single Voice Coil Car Audio Subwoofer, Anniversary Edition $1,099.99
JL Audio 10W6v3-D4 JL Audio 10" W6v3 Series 4-Ohm Dual Channel Voice Coil Car Audio Subwoofer $799.99