Kicker CompQ12 12-Inch (30cm) Subwoofer, Dual Voice Coil 2-OhmQ-Class Performance The CompQ certainly produces on every level. It gives the listener everything on the wish list, including high-caliber bass for whatever the music genre, huge voice coils for tremendous power handling and prodigious magnets for high SPL. Like its brand partner L7, which is a 2015 CES Innovation Award recipient, CompQ's motor efficiency and structure is unrivaled, boasting computer-optimized, oversized voice coils for the most power handling (RMS and peak) ever from a round KICKER subwoofer. Technologically Advanced Immense magnets administer the most accurate voice-coil control, using long, low-carbon extended poles for the greatest coil excursion and power handling. This solid, non-vented pole piece provides high mass for optimal cooling during continued use. Built for Power At such high excursion, the components are engineered to perform under such stress. Large-diameter, progressive-roll spiders maintain precise control during long coil throw. Heavy-duty ribbon-wire speaker leads intertwine with the spider for the best reliability. The die-cast aluminum alloy basket adds to the efficient motor structure and superior alignment while protecting the inner workings. KICKER Quality The injection-molded round cone delivers on targeted, accurate response, and the stitched, large-roll Santoprene surround expands for max control at high excursion. It's in the Details Installers will rely upon high-capacity, dual voice-coil push terminals large enough to grip one 8-gauge wire for extreme current flow, all from one side of the frame for an easy, solid setup. Included screw-hole covers hide all mounting hardware for a clean-looking, complete installation.