LS808 combines an 1400-Watt cast-frame 18-inch bass driver with a rear-loaded bass horn enclosure made from 15mm birch ply covered in rugged black carpeting.The result is an exceptionally efficient sub (105dB@1W@1m) with bass response down to 45Hz and capable of hitting maximum sound-pressure levels of 134dB. Rugged durability backed by a 2/10-year warranty further ensures years of reliable service