Mobiltelefon-Ohrhörer mit Mini-USB-Stecker (19757W1+MM+SW)

1. GERNEAL SPECIFICAITION
1-1Speaker Impedance: 32+15% ohm
1-2 Sensitivity: 110+3dB at kHz/0. 178V
1-3 Frequency Response: 20-20000Hz
1-4 Rated Power: 3mW
1-5 Maximum Power: 10mW
1-6 Distortion: Not exceed 5% at 1kHz
1-7 Sensitivity: -56+2dB
1-8 Impedance: Less than 2.2K ohm
1-9 Directivity: Omni directional
2. Speaker Characteristics:
2-1 Impedance: 32ohm+15% at 1kHz 0.178V
2-2 Output S. P. L: 116+3dB at 1kHz
2-3 Input Power: : Rated Power 3Mw/Max. Power 10mW
2-4 Frequency Response: 20-20kHz
2-5 Buzzes & Rattles: Must be normal 50-50kHz 0.31V
2-6 Distortion: Less then 5% after input rated power 1kHz
3. Microphone Characteristics:
3-1 Dimensional(mm): 6*5
3-2 Sensitivity: -56+2dB
3-3 Impedance: Less than 2.2 K
3-4 Directivity: Omnidirectional
3-5 Standard operation voltage: 3V-10V
3-6 Current consumption: Max. 0.5mA
3-7 Sensitivity reduction: Within 3dB at 1.0V
3-8 S/N ratio: More than 60dB
4. MECHANICAL CHARACTERISTICS:
4-1 Pulling Force: Apply pulling force of 5kg for 1 minute to the plugs as shown below.
4-2 Flexing Test: Weight: 100g: Angle: 900: Flexing rate: 40 times/minute, Left & Right direction 5000 times: Temp: 25+50: C.
5. CONFIDENCE TEST:
5-1 Low Temperature Test: There should be no external appearance and action at -300: C +20: C for 8 hours
5-2 Heat Text: There should be on external appearance and action at 650: C+20: C for 8 hours
5-3 Humidity Test: There should be on external appearance and action at 500: C+20: C and relative humidity between 90% to 95% for 8 hours.
5-4 Storage temperature: -200: C to 650: C.