Specifications：
Throat Diameter:	1.4in(35.56mm)
Mounting Type:	Screw on 1 3/8 ″ or Bolt-on
Sensitivity (1W/1M):	108dB
Power Capacity:	70 Watts RMS
Frequency Range:	1500Hz-18KHz
Diaphragm Material:	4/8/16 Ohm
Diaphragm Material:	Composite Polyimide /Titanium
Voice Coil Diameter:	63.5 mm (2.5 in)
Voice Coil Material:	Pure Aluminium Ribbon Wire
Flux Density:	1.85T
Magnet:	Neodymium
Packing Details:
Overall Diameter x Depth:	Ф 145mm x 63mm
Net Weight:	3.62kg
Pcs/CTN:	6pcs