Active subwoofer from FBT. Designed as the perfect partner for the X-LITE and X-PRO series, FBT introduces the new X-SUB 18SA powered subwoofer. Loaded with a single 18” heavy duty woofer, the X-SUB 18SA is controlled by a 1200 W Class D amplifier with DSP at 4 presets allowing perfect tailoring of the extended low frequency to the mid-high. The rugged plywood enclosure is built to withstand touring conditions, yet crafted with Italian style to suit the most elegant fixed installations. Finally, the M20 thread allows for pole mounting on a 3-way system design.