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hearing aid for the elderly battery hearing aid loudspeaker hearing aid aid d303 english export packaging

老人助听器 电池款助听器 扩音器 hearing aid D303英文出口包装

  • EXW Price: Min. order:
    ¥135.0
    ≥1/piece
  • 1 piece
  • Exchage Rate 1 CNY ≈ 0.142 USD
  • Weight 0.1 kg/piece
  • Stock num 1 piece
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  • Description

DSC_5613

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电声性能:

1.最大饱和声压级:≥120 dB
2.满档声增益:≥30 dB
3.平均增益:≥18dB
4.谐波失真:

a)频率小于1000Hz时不大于10%
b)频率大于1000Hz时不大于4%
5.等效噪声:≤50dB。
6.频率响应:不窄于250Hz~3500Hz

 

Features
Brand new and high quality hearing aid sound amplifier
Super mini size and light weight, not easily to be seen
Adjust volume to the minimum before wearing
Increase volume gradually to avoid sudden increase in sound
Convenient for watching movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly

 

Specification:
1. Max sound output: 110±5dB
2. Sound gain: ≥30dB
3. Total harmonic wave distortion: ≤10%
4. Frequency range: 300-4000Hz
5. Input noise: ≤40dB
6. Voltage: DC1.5V
7. Current: ≤4mA
8. Color: As pictures

 

Package Included:
1 x Hearing Aids
2 x AG3 Button Cells
1 x Instruction Manual
1 x Case
3 x Units of earplug of different size

Update time:20240415172130


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