STINGER SUB15A G3 - Powered 15-inch Subwoofer - 900W 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 15 A G3 is powered by high efficiency Class D amplification with a mighty 450 watts RMS output. It drives a custom designed 15â? woofer delivering a huge bottom end with terrific punch and excellent Stinger SUB 15 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 15 A G3 is an attractively priced choice for truly professional sound reinforcement. A large selection of accessories facilitate live and installed application