The JL Audio 12w6v2-d4 is a 12-inch subwoofer that provides a deep and aggressive bass effect. With a sensitivity rating of 85.9 dB, this JL Audio car subwoofer efficiently converts power to clear sound. An RMS power output of 600 watts of this 12-inch subwoofer facilitates proper handling of sustained music reproduction. A frequency response of 20-200 Hz helps this JL Audio car subwoofer to create an amazing bass effect. The JL Audio 12w6v2-d4 uses a polypropylene W-Cone with polyester foam surround, thus delivering superior bass performance with minimal distortion.