This is an Alpine S2-W12D2 12 inch high performance dual voice coil car subwoofer. It features a PP/Carbon Fiber parabolic cone structure with a PP/Ceramic dust cap for durability and sound clarity. The subwoofer has a high amplitude multi-roll (HAMR) surround, a progressive spider with reinforced layer tinsel leads, and a 65mm underhung voice coil with dual voice coil winding on an aluminum former. It also includes an airflow optimized dual flare pole vent, perimeter vented frame with airflow management system, and a twist-lock grille system for secure installation.

This listing includes the Alpine S2-W12D2 subwoofer unit and configuration jumpers as pictured in the original packaging. The product is made in China and designed and engineered in the USA. Specifications printed on the packaging include a power rating of 600 watts RMS and 1800 watts peak, 2+2 impedance, and a 12.4 cm mounting depth with 27.0 cm cutout diameter. Recommended amplifier power range is 250-600 watts RMS, with sealed enclosure net volume of 0.55-1.0 ft³ and vented enclosure net volume of 1.0-1.5 ft³ tuned to 32-37 Hz. The subwoofer features a high-grade strontium ferrite magnet and 8AWG push terminals.

Ideal for car audio enthusiasts seeking a high-quality dual voice coil subwoofer with advanced cone and surround technology. Alpine's S series is known for durable construction and optimized airflow, delivering powerful bass performance for various vehicle audio systems.