Specifications：

• Throat Diameter:        1 in(25mm)
• Nominal Impedance:   4 Ohm
• Power Capacity:         25Watts RMS(pink noise signal-12db×OCT)
• Sensitivity(1W/1M):   108 db
• Frequency Range:       1500Hz-20KHz
• Diaphragm Material:   PEI
• Voice Coil Diameter:   0.98in(24.9mm)
• Voice Coil Material:     Round or Ribbon Aluminium Wire
• Flux Density:               2.0T
• Magnet:                       Neodymium N-38H