Specifications：
Throat Diameter:	0.875in (22.2mm)
Mounting Type:	Screw on 1 3/8 ″ or Bolt-on
Sensitivity (1W/1M):	107dB
Power Capacity:	60 Watts RMS
Frequency Range:	1200Hz-20KHz
Diaphragm Material:	4/8/16 Ohm
Diaphragm Material:	Titanium
Voice Coil Diameter:	51.1 mm (2.01 in)
Voice Coil Material:	Round&Ribbon Aluminium Wire
Flux Density:	1.75T
Magnet:	Strontium Ferrite
Packing Details:
Overall Diameter x Depth:	Ф 142mm x 69mm
Net Weight:	2.63kg
Pcs/CTN:	4pcs