Medsailfar Professional Analog Batteries BTE Ear Sound Amplifier Hearing Aid Amplifier With Battery
Descriptions
1.Ergonomic fit behind the ear,barely visible
2.Amplifies the volume of all sounds indoors and outdoors 3.Classicand Reliable—Classic Design &VC Control
4.Knowles Microphone
5.Single ear use,suitable for left or right ear
Specifications
| Model | MSF3571 |
| Operating Voltage | DC 1.0~1.45V |
| Max-OSPL90 | ≤126±5 dB |
| HFA-SSPL90 | 116 dB |
| Peak Gain | 40±5 dB |
| The Full-on Average Gain Value(HFA Avg) | 29dB±5dB |
| Equivalent Input Noise(EIN) | 32dB |
| Frequency Range | 500 Hz-3500 Hz |
| Total Harmonic Distortion | ≤0.6% |
| Battery Curent | 3.4mA |
| Battery Type | Zinc-air battery |
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