Specifications：
Material :	Engineering Plastic
Sensitivity (1W/1M):	106dB
Power Capacity:	20 Watts RMS
Frequency Range:	1500Hz-18000Hz
Diaphragm Material:	4/8/16 Ohm
Diaphragm Material:	Phenolic
Voice Coil Diameter:	25.4 mm (1.0 in)
Voice Coil Material:	Round or Ribbon Aluminium Wire
Flux Density:	1.35T
Magnet:	Needymium
Packing Details:
Overall Diameter x Depth:	188mm  x 78mm x 113mm
Net Weight:	0.19kg
Pcs/CTN:	30pcs
Carton Size:	44×41×38cm