Карманные слуховые аппараты Китай

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Technical Parameters：
Max Out: 130dB ± 4dB　
Max Gain：56dB ± 5dB
Harmonic Distortion：≤10%
Frequency Range：300Hz～4000Hz
Equvi Input Noise：≤32dB
Stanard battery：AA batteries,No 5
Voltage：D.C. 1.5V
Current：≤6.5mA

Features:
1.Medium power suitable for moderate to severe hearing weak people.
2.Stable quality,simple operation,easy to use
3.Low distortion,low noise

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