Digital hearing aid 638

Offer to Sell
Digital hearing aid 638
Specification:
Digital circuitry
Mini BTE design
Left or right ear adjustable
Detachable receiver
Digital Volume control
High or low tone control
Product size: 55x35x10mm
Weight: 7g
Testing Item Indicator
Max. saturation sound pressure level 130dB±4dB
Rated Operational Voltage 1.4V
Rated Operational Current ≤5mA
Frequency response More than 450-3500 Hz
Equivalent input noise ≤32dB
Harmonic distortion f<1000Hz ≤15% f≥1000Hz ≤10%
Acoustic gain of full profile F=1600Hz, 58±5dB
Address: Guicheng Town, Dinghu District, Zhaoqing City, Guangdong Province, China
Country: China
SEND INQUIRY
Please fill in fully your information to send email
Your name*
Email*
Company
Address
Country*
Phone
Content*