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Shenzhen Handsome Technology Co.,Ltd. Walcom Int'l Industry Ltd. Address: Rm# 2102, 21/F, HuaJia Plaza, No.2216, Hubei Road, Luohu District, Shenzhen,...
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Certifications
WK-520 Sound Amplifier Hearing Aid,Analog Hearing AidWK-520 Sound Amplifier Hearing Aid,Analog Hearing Aid

WK-520 Sound Amplifier Hearing Aid,Analog Hearing Aid

  • 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
Sound Amplifier Hearing Aid  WK-520

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
Shenzhen Handsome Technology Co.,Ltd / Walcom Int'l Industry Ltd.

Tel:+86 (755) 25690304

Contact Person:Kelly

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