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.