Specifications：
Throat Diameter:	2 in(50.8mm)
Mounting Type:	Screw on 1-3/8”or Bolt-on
Sensitivity (1W/1M):	110dB
Power Capacity:	80 Watts RMS
Frequency Range:	500Hz-18KHz
Diaphragm Material:	4/8/16 Ohm
Diaphragm Material:	Titanium
Voice Coil Diameter:	72.2 mm (2.84 in)
Voice Coil Material:	Round or Ribbon Aluminium Wire
Flux Density:	1.8T
Magnet:	Strontium Ferrite
Packing Details:
Overall Diameter x Depth:	Ф 170mm x 81mm
Net Weight:	5.58kg
Pcs/CTN:	4pcs
Carton Size:	38×21×10.5cm