Get ready to take your car audio to new heights with more bass in less space with the Alpine Type R 8 Inch 1000 Watt Loaded Subwoofer Enclosure.This ported enclosure comes complete with a loaded 8 inch . Type R subwoofer from Alpine. With an RMS power of 300 watts . frequency response of 30 200 Hz . 84 dB of sensitivity . and 4 ohm impedance . this subwoofer has the quality of sound you crave. It features a high amplitude multi roll santoprene surround . progressive spider . and oversized high temperature voice coil.For those in pursuit of audio perfection . the destination is the same the Alpine Type R 8 Inch 1000 Watt Loaded Subwoofer Enclosure.