Thump18Sv4 combines our 1400W Class-D active subwoofer amplifier with a 18" high-performance woofer, for massive 132 dB maximum SPL and 33 Hz low frequency performance.
This 18 inch subwoofer is the perfect match for Thumpv4 loudspeakers (or any PA speakers) with selectable high pass modes, plus a “variable” mode for setting the crossover yourself.