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Hearing Aid

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China hearing aid china price V-99 factory

hearing aid china price V-99

Hearing aid Max Sound Output: 129dB ± 4dB Max Sound Gain: 55dB ± 5dB Total Harmonic Distortion: ≤5% Frequency Range: 450~3500 hz Equiv Input Noise: ≤30 dB Working Voltage D. C. 1.5V Working Current: ≤4 mA ... Read More
2014-11-17 13:45:15
China pocket hearing aid S-6D factory

pocket hearing aid S-6D

Hearing aid 1.Max Sound Output: 130dB ± 4dB 2.Max Gain: 56 ± 5dB 3.Harmonic Wave Distortion: ≤8% (AT 1000 Hz) 4.Input Noise: ≤ 28 dB 5.Frequency Range: 300Hz ~ 4000Hz 6.Working Voltage: 1.5V 7.Working Current: ... Read More
2014-11-17 13:40:17
China digital programmable hearing aid S-6B factory

digital programmable hearing aid S-6B

Hearing aid 1.Max Sound Output: 130dB ± 4dB 2.Max Gain: 58 ± 5dB 3.Harmonic Wave Distortion: ≤8% (AT 1000 Hz) 4.Input Noise: ≤ 28 dB 5.Frequency Range: 300Hz ~ 4000Hz 6.Working Voltage: 1.5V 7.Working Current: ... Read More
2014-11-17 13:38:12
China micro ear hearing aid  S-6A factory

micro ear hearing aid S-6A

Hearing aid 1.Max Sound Output: 130dB ± 4dB 2.Max Gain: 52 ± 5dB 3.Harmonic Wave Distortion: ≤8% (AT 1000 Hz) 4.Input Noise: ≤ 28 dB 5.Frequency Range: 300Hz ~ 4000Hz 6.Working Voltage: 1.5V 7.Working Current: ... Read More
2014-11-17 12:18:55
China bone conduction hearing aid S-900 factory

bone conduction hearing aid S-900

hearing aid 1. Maximum saturation sound pressure ≥ 110dB ± 5dB pole 2. full block sound gain: ≥ 30dB 3.The average gain: ≥ 40dB 4.Equivalent noise: ≤ 40dB. 5.Frequency Response: 300Hz-4000Hz Standard battery: ... Read More
2014-11-17 12:14:46
China pocket hearing aid S-218 factory

pocket hearing aid S-218

1.Max Out: ≥120dB 2.Max Gain:≥30dB 3.Average Gain:≥38dB 4.Harmonic Distortion:a)≤10%(Frequency< 1000Hz) b)≤4%(Frequency >1000Hz) 5.Equvi Input Noise:≤30dB 6.Frequency Range:≥250Hz~3500Hz Read More
2014-11-17 11:57:49
China digital programmable hearing aid S-215 factory

digital programmable hearing aid S-215

Max Sound Output: 120dB Max Sound Gain: ≥30 dB Equally Gain:≥38 dB Harmonic Distortion: a)≤10%(Frequency< 1000Hz) b) ≤ 4%(Frequency >1000Hz) Frequency Range: ≥300~4000 hz Input Noise: ≤30 dB Battery: AG5 or A13 ... Read More
2014-11-17 11:26:41
China micro ear hearing aid S-213 factory

micro ear hearing aid S-213

1.Max Out: ≥120dB 2.Max Gain:≥30dB 3.Average Gain:≥38dB 4.Harmonic Distortion:a)≤10%(Frequency< 1000Hz) b)≤4%(Frequency >1000Hz) 5.Equvi Input Noise:≤30dB 6.Frequency Range:≥250Hz~3500Hz 7.Stanard battery:AG3 ... Read More
2014-11-17 11:25:31
China bone conduction hearing aid S-212 factory

bone conduction hearing aid S-212

1.Max Out: ≥120dB 2.Max Gain:≥30dB 3.Average Gain:≥38dB 4.Harmonic Distortion:a)≤10%(Frequency< 1000Hz) b)≤4%(Frequency >1000Hz) 5.Equvi Input Noise:≤30dB 6.Frequency Range:≥250Hz~3500Hz 7.Stanard battery:AG3 ... Read More
2014-11-17 11:23:28
China hearing aid brands S-211 factory

hearing aid brands S-211

1.Max Out: ≥115dB 2.Max Gain:≥30dB 3.Average Gain:≥38dB 4.Harmonic Distortion:a)≤10%(Frequency< 1000Hz) b)≤4%(Frequency >1000Hz) 5.Equvi Input Noise:≤30dB 6.Frequency Range:≥250Hz~3500Hz Stanard battery:AG3 or ... Read More
2014-11-17 11:21:53
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