Description
- Brand Name: FEIE
- Origin: China Mainland
- Model Number: 430SB
- Product type: FEIE rechargeable hearing aid
- suitable for: mild to moderate hearing loss
- Warranty:: 1 year
- Propertie:: Rehabilitation Therapy Supplies
- advantage:: comfortable, portable rechargeable
- Volume:: Can be adjusted
- Bluetooth: APP Control
Function description
130nm full digital signal processing chip
4-channel automatic volume control (WDR)
BLE wireless bluetooth control
supercardioid pickup
Dual microphone
Medium power output, low distortion
Adaptive feedback cancellation
Layered noise reduction
Auto save volume and mode Volume change beep
One-button multi-function boot delay prompt tone
3 program modes: turn on when out of the box, turn off when in the box
Mode switching beep Magnetic charging
Volume change beep Low battery warning light
Technical data
Maximum output (OSPL90): 107+3dB
Average output (HAF OSPL90): 104±3dB
Maximum gain (FOG50): 31+4dB
Average gain (FHA Avg): 28±4dB
Equivalent input noise: ≤30dB
Bandwidth range: F1≤500Hz F2≥4000Hz
Distortion (500, 800, 1600)≤3%
Rated current consumption: NA
Packing list:
Principal machine * 2
Earplugs * 3
Cleaning sweeper * 1
Warranty card * 1
User manual in English * 1
USB Cable* 1 Charger*1
Note ：
That is normally situation that hearing aid make whistle noise .
About noise , you can do this steps to remove it .
-Adjust volume to the minimum before wearing.
-Choose an earplug of slightly bigger size to avoid whistler.
-Increase volume gradually to avoid sudden increase in sound.
-If you hear a howling,check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage.
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