* Power: 100W or 150W
* Impedance: 8Ω
* Frequency range: 100-4700Hz for 100W, 100-4,500Hz for 150W
* Sound distortion: ≤5%
* Sound pressure: 110-118dB for 100W, 110-122dB for 150W
* Ambient temperature: -20 to +55°C
* Humidity: >95% (+40°C)
* Barometric pressure: 86-106Kpa
* Measurement: 215x165x62 for 100,  215x165x67mm for 150W
* Packing info: 34*20*32cm/CTN (8PCS), gross weight: 26KGS/CTN