Dynamic receiver for telephone Dimension:38*20mm Impedance:150Ω±20% Sensitivity:96±3dBdB Frequency Range:300-3400H
carbon microphone transmitter TypeOT51100H25Impedance60--150ΩSensitivity-10±4dbFrequency Range300-3400HzLoad100&Omega
Thin mylar speaker Diameter: Cone Material: Edge: Nominal Power: Maximum Power: Impedance: Voice coil: Fo: Response: S.P.L: Magnet Size: Net weight:Φ36mm Maylar May
TV speaker (Dia. 90*50mm) Diameter: Cone Material: Edge: Nominal Power: Maximum Power: Impedance: Voice coil: Fo: Response: S.P.L: Magnet Size: Net weight:90×50mm Paper
Receiver (Dia.38*21mm) TypeSD38150H21Impedance at 1KHz150Ω±20%Sensitivity 318ear/60mv97±3dBFrequency Range300-3400HzAxial Director at 1KHz 0dB 1A/M≥-
Receiver Dimension:35*17.5mm Impedance:150Ω±20% Sensitivity:96±3dB Frequency Range:300-3400H
Dynamic receiver for handset Dimension:33.5*12mm Impedance:150Ω±20% Sensitivity:96±3dB Frequency Range:300-3400H
Telephone receiver Dimension:31*12mm Impedance:150Ω±20% Sensitivity:≥93dB Frequency Range:300-3400H
Piezo buzzer Sensitivity:≤50(mVA) SPL(A):≥72dB Diameter :34.5mm White one is available