VHP-302 Hearing Aid/sound Amplifier
Specifications
Box design,More comfortable for the elders,
Use AAA battery
Porformance Parameter:
Testing Item |
Indicator |
| Rated working volt | DC 1.5V |
| Rated working current | ≤10 mA |
| Frequency response | 450-3500 Hz |
| Max. saturation sound pressure level | 130dB±4dB |
| Acoustic gain of full profile | 1600Hz, 58dB±5dB |
| Harmonic distortion |
F<1000Hz, ≤15% F>1000Hz, ≤10% |
Equivalent input noise |
≤32 dB |
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