Earphones of willong

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Earphones of willong
Posting date : May 21, 2009
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85-
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Earphones for handset Features: 1) Driver unit: Ø50mm 2) Speaker: a) Impedance: 32 ohms±15% b) Sensitivity: 100dB±3dB c) Frequency response: 20 - 20,000Hz d) Max. power input: 100mW 3) Microphone: a) Operating voltage: 3V b) Impedance: 2,200 ohms c) Sensitivity: -58dB±3dB d) Frequency response: 30 - 16,000Hz 4) Cord length: 2. 3m

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