This product has been discontinued and replaced with the 18 SUB 1000 XT model.
This subwoofer produces high levels of sound pressure with high power level. Its dual central and side ventilation system provides excellent thermal dissipation generated in the 4 "(100 mm) inside / outside coil. High strength cone and suspension that allows you to withstand large displacements make up your moving assembly. High-performance speaker developed for use in compact boxes with great efficiency in low frequency responses.