5.0 out of 5 stars 3. 4.5 out of 5 stars 19. Get it as soon as Wed, Sep 30. Most Kicker L7 subwoofers will include a voice coil. Kicker 43CWR102 10" Dual Voice Coil 2 ohm Comp R woofers Bundle. Get it as soon as Fri, Oct 2. The massive power handling of the dual L7R sub box only gets better with square subs! Single 10" Solo-Baric L7R 2-Ohm Enclosure KICKER’s square sub technology features patented ribbed corners, UniPlate™ solid pole piece and backplate, and injection-molded SoloKon™ cone system. Packed with KICKER innovation, you get up to 20% more volume compared to a round driver, so you move more air and get more bass without the expense of a custom box. Kicker - 43CWR102 CompR 10" Dual Voice Coil 2-Ohm 400W Subwoofer. You get up to 20% more volume compared to a round driver, so you move more air and get more bass! The ports are engineered to deliver smooth, powerful bass without the “huffing” sound you experience in inferior port designs. Dual 12" Solo-Baric L7R 2 Ohm Enclosure. Both types will produce low-range sounds for you. $259.90 $ 259. 4.4 out of 5 stars 59. You can choose Kicker L7 units that have one or two voice coils. 90. All L7R enclosures are engineered with extensive internal bracing, thick MDF construction and rounded corners. Each L7R sub box is engineered to exact specifications, so you get world-class sound quality in a ready-made enclosure. The voice coil is a wire that determines the current flowing through your subwoofer and that drives its cone according to that current. Kicker 12 Inch 1000 Watt 2-Ohm Ported Vented Subwoofer Enclosure Box | 43VCWR122.