Alpine W12S4

Product highlights:
12″ 4-ohm subwoofer
polypropylene and mica cone with poly-foam surround
stamped steel frame
power handling: 50-250 watts RMS
peak power: 750 watts
sensitivity: 87.9 dB
frequency response: 22-200 Hz
top-mount depth: 5-5/16″
sealed box volume: 1.09 cu. ft.
ported box volume: 1.91 cu. ft.
grille not included
warranty: 1 year