The FBT SUBLINE 118S is an extremely compact bass-reflex design subwoofer with high SPL and punch. The FBT SUBLINE 118S feature 0.59" birch plywood construction covered in a scratch resistant black paint with two aluminum carrying handles; an M20 top mounted stand adapter allows satellite speakers, such as the FBT speaker series and others, to place above the subwoofer cab.

The FBT SUBLINE 112S features a 18" high excursion magnet woofer with 3" voice coil. The FBT SUBLINE 112S is able to produce a max SPL of 133dB and handles 700W RMS. The control panel features 2 x Neutrik Speakon NL4MD-V connectors.