jbl synthesis ssw 5JBL Synthesis SSW 5 Active subwoofer for home theater with deep bass and flexible integration JBL Synthesis SSW 5 is an active subwoofer developed for home theaters where you want a powerful and controlled low end that supports the rest of the system. It combines a 12 driver with a built in 1000 watt amplifier and gives you a solution that is easy to integrate into both dedicated theater rooms and living room setups. With adjustment options and