Production license: Cantonese food drug permit Product No 200220595
Product registration number: Cantonese food drug permit 2011 No 2460193
Product standards number: YZB/Guangdong 0680-2010

Features:
The latest improvements CLASS-D amplifier circuit
People-oriented exterior design, take full advantage of the acoustic function of the auricle
Use digital hearing aid speaker
Modular integrated Class D amplifier circuit
Very large scale integratio chips run more reliable, more stable,improve product life
Low power consuption
Ultra-low machine noise
A wealth of high-frequency component to listen to more clearly
Up to 18dB tone adjustment, suitable for different tone needs
Four models HSE,ITC,CIC,BET for option

Technical Parameters:
MAX-SSPL90: 128dBSPL
HFA-SSPL90: 120dBSPL
Peak Gain: 54dB
HFA-FOG: 48dB
Frequency Range: 200Hz~5300Hz
Harmonic Distortion: 500 Hz: 3.8%
                              800Hz: 1.2%
                              1600Hz: 0.2%
Equivalent Noise Input: 28dB
Working Current: 0.97mA
Electrical Inductance: HFA-SPL ITS :93dB