Specifications：
Throat Diameter:	1.0 in(25.4 mm)
Mounting Type:	Screw on 1 3/8"" or Bolt-on
Sensitivity (1W/1M):	104dB
Power Capacity:	20 Watts RMS
Frequency Range:	1500Hz-18000Hz
Diaphragm Material:	4/8/16 Ohm
Diaphragm Material:	Titanium or Phenolic
Voice Coil Diameter:	25.4 mm (1.0 in)
Voice Coil Material:	Round or Ribbon Aluminium Wire
Flux Density:	1.60T
Magnet:	Strontium Ferrite
Packing Details:
Overall Diameter x Depth:	Ф 70mm x 69.5mm
Net Weight:	0.43kg