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Specifications
1. 100% Digital Processing
2. Open-fit design
3. 4 channels WDRC amplifer
4. Dual microphone
5. Used NiMH 312A rechargeable battery
6. Portable box provides power storage and drying function
7. Full Charging time: 6H
8. Duration of use: 25H
9. OEM brand is available
Technical Data | Echo 402R |
Peak OSPL 90 ( dB SPL) | 115 |
HAF OSPL 90 ( dB SPL) | 110 |
Peak Gain(dB) | 40 |
HAF Ful on Gain (dB) | 35 |
Frequency Range (Hz) | 200-5000 |
500Hz(%) | 0.5 |
800Hz(%) | 1 |
1600Hz (%) | 2 |
EQ Input Noise (dB) | 24 |
Battery | 312A NiMH rechargeable |
Place of Region | China |
Brand Name | Brand Name |
Model Number | Echo 402R |
Brand Name | Retone |
Color | White/Beige |
Feature | Protable power storage function |
Battery Type | 312A NiMH Rechargeable |
Size | Mini |
Type | Digital Hearing Aid |