T23 Digital Hearing Aids Tinnitus Masking Inner Ear Invisible Hearing Aid Adjustable Wireless Mini CIC Ear Best Sound Amplifier

T21 2 Channels

T23 4 Channels

T27 8 Channels Tinnits Masking Fuction

T29 10 Channels Tinnits Masking Fuction Features:

1.WDRC Signal Processing

2.4 Channels digital programable hearing aids

3.Adaptive Feedback Cancellation (AFC)

4.FrontWave Directional Microphone

5.12KHz Bandwidth

6.2 Memories

7.Adjustable for High & Low Frequency

8.Memory Switch Indicator

9.Low Battery Indicator

10.MPO Control

11.Compression Knee Points

Technical Parameters:

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,