The cinema power amplifer including two models:HD2200 and HC series..HC series cinema power amplifier features compact contour, high performance, perfect tone, unique circuit design, high load capacity. The professional DC/input overload/short circuit/thermal/soft start protection and the limit function keep the amplifier safe and reliable. This series include HC900, HC1500, HC2200, HC3000, HC4000, with the power ranging from 900W to 4000W. HD2200 cinema sound amplifier is specially designed for cinema sound reinforcement which is more energy-saving and lighter. High efficiency switching power supply amplifier design for higher efficiency and decrease temperature in operation. By adopting switching power supply to provide more stable working condition. The unique design and light weight are also suitable for professional and touring show.