The rated power of this device is 50W, and it supports a signal of either 100V or 8Ω. The power tap options include 50W, 25W, 12.5W, 9W, 4.5W, and 2.6W. It has a frequency response range of 90Hz-20kHz and a sensitivity of 99±2dB. The cover angle is 120°. The dimensions of the device are 362252310mm, and it weighs 3.9kg. It is made of plastic material.