Polk 12" 365-Watt Subwoofer (GXR124) Overview
The easiest way to upgrade your car audio experience is to add a subwoofer. With little or no hassle, this 12-inch Polk GXR series subwoofer can fit into the most conveniently sized enclosures and can be powered by even modest amplifiers. Until you have a subwoofer, you're not hearing the musical truth. Note: Amplifier and Subwoofer Box Required
Polk 12" 365-Watt Subwoofer (GXR124)
