Model: | VHP-704 |
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Brand: | zinbest |
Origin: | Made In China |
Category: | Home Supplies / Personal Care Appliance |
Label: | dfigital hearing aid , hearing loss , hearing enhancer |
Price: |
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|
Min. Order: | 1000 pc |
Testing Item |
Indicator |
Max. saturation sound pressure level | 126dB±4dB |
Acoustic gain of full profile | ≥40dB±5dB |
Harmonic distortion | F<1000Hz ≤15% F>1000Hz ≤10% |
Frequency response | 450Hz~3599Hz |
Equivalent input noise | ≤ 40 dB |
Working volt | 1.5V |
Working current |
≤8mA |