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Hearing aids for the physically challenged |
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Clear F |
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700USD |
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10 |
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1000 |
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T/T |
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Clear F |
FM Wireless Digital special price US$ 1,130 |
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Maximum output sound pressure level 90 (left/right) |
125 dBSPL, tolerance than +3dB |
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Average output sound pressure level 90 (left/right) |
113 dBSPL, tolerance than +/- 5 dB |
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Maximum sound benefit (left/right) |
48 dB tolerance than – 5dB |
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Average sound benefit (left/right) |
40 dB, tolerance +/- 5dB |
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Frequency range (left/right) |
500~3500 Hz (tolerance +/- 10%) |
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Electric current of battery (less than 20% of error) |
transmitter 55mA, receiver 65 mA |
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Lifetime of battery (transmitter/receiver) |
more than 18, 15 hours (When using AAA battery) |
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Total harmonic distortion (left/right) |
500Hz 5.0% + less than 3% |
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Rated voltage : 1.5 DC V |
1.5 DC V |