4 Preset Programs
nD19 Personal Sound Amplifier offers 4 preset configurations that are easily adjustable with the touch of a finger.
nNormal Setting – Regular listening
nNoisy Setting – Reduces background noise (restaurant, supermarket, gym, etc)
nIndoor Setting – Decreases low audio frequencies (home, meeting, etc)
nOutdoor Setting – Decreases high & low audio frequencies (whistling, feedback, windy day, etc)