15" Active subwoofer,water proof painting, Class D amp with DSP, 15" woofer with 4" voice coil, XLR input and output, Limiter for woofer protection, High cut, low frequecy boost for more bass and powerful, Weight: 36KG
18" Active subwoofer,water proof painting, Class D amp with DSP, 18" woofer with 4" voice coil, XLR input and output, Limiter for woofer protection, High cut, low frequecy boost for more bass and powerful, Weight: 47KG