15″ Woofer. 1200w Class D Amplifier. Integrated Active Crossover. Line Inputs. RMS- Overload- Thermal Limiter ProtectionPower: 1200w Response: 35Hz-150KHz Spl: 124dB Dimensions: 460 x 630 x 565mm Weight: 29Kg. This active subwoofer is equipped with a 15 inch high-excursion woofer. The cabinet is sturdy and stylish- made from birch plywood with full metal grille and acoustic foam- all this provides a pleasant look and ensures an high quality sound and punch. Equipped with a Class D amplifier and switching power supply which delivers massive amounts of power- up to 1200W with great efficiency. Features a stereo active crossover- balanced input and output XLR connections- crossover shape switch- phase switch- ground lift switch and a stereo balanced XLR output for top/high active speakers. A Top speaker can be mounted on m20 poles and there are pre drill holes with screws for wheels if needed.. subwoofer-active sub woofer filter