BTE Hearing aids(WK-04)
BTE Hearing aids(WK-04 is a product which can help the patient to improve their hearing ability.
The specification of BTE hearing aid(WK-04) as follows;
1. Max saturated audio output: 123± 5dB
2. Full audio Gain(1000Hz): ≥ 40dB
3. Harmonic wave Distortion: ≤ 15%(<1kHz); ≤ 10%(≥ 1kHz)
4. Equivalent input noise: ≤ 30dB