Rockbox Competition Series SubwooferCopper wound voice coils with butyl rubber surround400/500W RMS with dual 4ohm voice coilsDouble-stacked strontium magnetsUltra-strong polypropylene dust capMounting depth: sealed enclosure - .9-1.25 cu/ft, ported: 2.5 cu/ft Length 11.5" Width 11.5" Height 7" Weight 12.14 lbs. Rockbox Competition Series Subwoofer. , Audio, Electronics
Speaker, Consumer Electronics