Technical Specifications - Beurer HA 20 Gebrauchsanweisung

Problem
The hearing amplifier is ve-
ry quiet.

10. Technical specifications

Maximum audio output: 128dB
Sound amplification: max. 40dB
Frequency range: 200 − 5000Hz
Input noise: ≤ 30dB
Possible causes
- Volume setting on hearing amplifier is
too low.
- Battery is almost empty.
- Earplug is dirty.
- Microphone is dirty.
Voltage: 1.5 V
Overall harmonic distortion: ≤ 5%
Power supply: ≤ 4mA
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