WK-8B Silicon Ear Model
Specifications
silicon ear model Hearing aid is a disablitity product which help the patient improve their hearing level.WK-8B WK-8B silicon ear model
Specification:
Maximum saturation HRTFS 129dB + 4dB.
Full file 50dB + sound gain: 5dB
Harmonic distortion: more than 5%
Frequency response: a 450 ~ 3,500 hz
Equivalent input noise: more than 30 dB
With standard battery: A05 button batteries
Working voltage: D.C. 1.5 V
The working current: more than 4 mA
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