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Sell Headphone with Microphone

Post Date:	2008-12-3
Expiry Date:	2009-2-1

Company Info

Company Published:2000-1-1
Online Postings: Products (47), offers (63)
Country/Territory: China
Business Type: Manufacture
Number of Employees: 201 ~ 500 People

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Detailed offer Description

EARPHONE ELECTRICAL CHARACTERISTIC
Driver Unit?????? :?15.4
Impedance???????? :32Ω
Sensitivity?????? :104db(at 1KHZ 0.178V)
MAX. Input power? : 5mW?????
Frequency range?? : 20Hz~20KHz
Distortion??????? : ≤5%(1mW 1KHz)
Plug????????????? :3.5mm

MICROPHONE ELECTRICAL CHARACTERISTIC
Sensitivity????? :-40dB(at 3V/2.2K 1KHZ)
Directivity????? : Omnidirectional
RL?????????????? : ≤2.2k?
Current Consumption???????? : Max.0.5mA?
Standard Operation Voltage? :3.0V
Sensitivity Reduction?????? :Within-3dB at 1.5V
S/N Ratio??????? : More than 58dB
Frequency range? : 20Hz~20KHz

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