$53.85
The main components of the hearing aid for the hearing impaired are a microphone, an amplifier-transducer and a speaker. The built-in volume control provides a level in the range from the minimum to the loudest, the hearing aid has a common power switch. Another significant advantage of behind-the-ear hearing aids is the fact that to use them, the perfect purity of the external auditory canal is not necessary.
To achieve a near-perfect sound quality, behind-the-ear hearing aids are used in conjunction with 3 types of earmolds that come with the hearing aid. Inserts have a long service life and are made of a soft and very plastic material that is ideal for any ear. High sound quality and flexibility contribute to quick addiction to a new hearing aid.
How to use a hearing aid for hearing impaired MX-909E: Open the battery door and install the battery. Pay attention to the polarity of the battery; in case of improper installation, the device may fail; Turn the power switch off. (OFF) to ON position. (ON); Mount the device on the ear; Adjust the volume of the product to a comfortable level for you in the range from the minimum value – 1 to the maximum – 5; If you do not use the device, it is recommended to turn it off in order to increase battery life.
Machine Specifications
The maximum output of saturated sound frequencies is 133 dB – 137 dB.
Increase in full sound frequencies (1000 Hertz) 48 dB – 53 dB.
Harmonic distortion of 8%.
Equivalent noise input 30 dB.
Five-step volume control.
Additional ear inserts – 3 pieces.
Two batteries included.
| Weight | 0.150 kg |
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