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Earplug Digital Volume Hearing Aids Amplifier

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Details

Shipping: United Kingdom: free (more destinations)

Condition: Brand new

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Description

Earplug Digital Volume Hearing Aids Amplifier

Introduction:
Convenient wear
Low noise, low distortion;
For people with severe hearing loss;
Product use hearing assistive devices.
The scope of application of gas conduction hearing disorders.
Taboos otitis media or ear suppuration who are disabled.

Technical indicators:
Maximum saturation sound pressure level of 129dB ± 4dB
Full profile acoustic gain ≥ 38dB
Frequency range of 450Hz ~ 3800Hz
Power Supply Voltage 1.5V
Battery model LR44

Features:
Maximum saturation sound pressure level: 129dB ± 4dB
Full sound gain: ≥ 38dB
Harmonic distortion: ≤ 15% f 1000Hz ≤ 10%
Frequency Response: 450Hz ~ 3800Hz
Equivalent Input Noise: ≤ 30 dB
Operating voltage: 1.5V
Working current: