1.power out:2*50W 2.best for multimedia classroom 3.MP3,CD,PC input 4.CE,FCC,ISO,ROHS 5.wooden closure,2.0 two way speaker 2.0 classroom active speaker together with whiteboard and projector strong point:This education system is special designed for school. The speaker has inbuilt amplifier, you do not need another amplifier,and it is easy to debug and adjust.Amplifier speaker/active speaker: it ...