Specifications：
Throat Diameter:	1.0 in(25.4 mm)
Mounting Type:	Screw on 1-3/8"" or Bolt-on
Sensitivity (1W/1M):	107dB
Power Capacity:	40 Watts RMS
Frequency Range:	1500Hz-18000Hz
Diaphragm Material:	4/8/16 Ohm
Diaphragm Material:	Mylar
Voice Coil Diameter:	44.4 mm (1.75 in)
Voice Coil Material:	Pure Aluminium Ribbon Wire
Flux Density:	1.5T
Magnet:	Strontium Ferrite
Packing Details:
Overall Diameter x Depth:	Ф 102mm x 61mm
Net Weight:	1.6kg
Pcs/CTN:	6pcs
Carton Size:	38×23×9cm