STINGER SUB18A G3 - Powered 18-inch Subwoofer - 1600W PeakEngineered for rock-solid reliability day in, day out this active subwoofer is a truly professional performer. With built-in presets for quick system integration and a variety of cardioid array configurations it is completely user-friendly. The Stinger SUB 18 A G3 is powered by high efficiency Class D amplification with a giant 800 watts RMS output. It drives a custom designed 18â? woofer delivering a huge bottom end with terrific punch and excellent Stinger SUB 18 A G3 incorporates LD Systemsâ?? proprietary DynX DSP technology to ensure top-level performance and pristine, distortion-free bass reproduction at all times. Designed to be a real workhorse throughout, the well-braced bass reflex enclosure is constructed for horizontal and vertical orientation. It is made of rigid 18 mm birch ply and coated with ultra tough polyurea for extraordinary strength and durability. Sporting a steel front grille, M20 threaded pole insert, stacking recesses and ergonomic handles the Stinger 18 A G3 is an attractively priced choice for truly professional sound reinforcement. A large selection of accessories facilitate live and installed applications.