Specifications：
Throat Diameter:	1.0 in(25.4 mm)
Mounting Type:	Screw on 1-3/8”
Sensitivity (1W/1M):	109dB
Power Capacity:	80 Watts RMS
Frequency Range:	500Hz-5000Hz
Diaphragm Material:	4/8/16 Ohm
Diaphragm Material:	Phenoolic
Voice Coil Diameter:	51.6 mm (2.03 in)
Voice Coil Material:	Round or Ribbon Aluminium Wire
Flux Density:	1.35T
Magnet:	Strontium Ferrite
Packing Details:
Overall Diameter x Depth:	Ф 120mm x 85mm
Net Weight:	1.79kg