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