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. Weight: 37KG
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: 48KG