Specifications：
Throat Diameter:	1.0 in(25.4 mm)
Mounting Type:	Screw on 1 3/8""
Sensitivity (1W/1M):	112dB
Power Capacity:	20 Watts RMS
Frequency Range:	1500Hz-20000Hz
Diaphragm Material:	4/8/16 Ohm
Diaphragm Material:	Composite Polyimide /Aluminium
Voice Coil Diameter:	25.4 mm (1.0 in)
Voice Coil Material:	Round or Ribbon Aluminium Wire
Flux Density:	1.78T
Magnet:	Strontium Ferrite
Packing Details:
Overall Diameter x Depth:	Ф 80mm x 66mm
Net Weight:	0.76kg