S-15A Digital Hearing Aid Itc 4 Channels,Digital Medical deaf hearing aid


1.WDRC Signal Processing 
2.4 Channels 
3.8 Bands 
4.Adaptive Noise Reduction (ANR) 12dB 
5.Adaptive Feedback Cancellation (AFC) 
6.FrontWave Directional Microphone 
7.12KHz Bandwidth 
8.3Memories 
9.Adjustable Indicator 
10.Super Quiet 
11.Adjustable for high & low frequency 
12.Memory Switch Indicator 
13.Low Battery Indicator 
14.MPO Control 
15.Power-on Delay 
16.Automatic Telecoil 
17Compression Knee Points


Technical Specification


1.MAX-SSPL90: 113dBSPL
2.HFA-SSPL90: 108dBSPL
3.Peak Gain: 42dB
4.HFA Full-on Gain: 35dB
5.Frequency Range: 200-7000HZ
6.THD at:
500HZ :1.6%
800HZ :1.0%
1600HZ:0.3%
7.Eq.Input Noise Level: 27dBSPL
8.Battery Current Drain: 0.6mA
9.Attack Time: 6ms
10.Release Time: 22ms