Set sound enhancement
1.
In the home screen of the [Technics Audio Connect] app, tap [SOUND].
2.
Select a sound enhancement.
•
You can select an option such as Bass Enhancer or Clear Voice.
•
In Custom, you can set the sound ranges. Move 
up or down to adjust the level.
up or down to adjust the level.The screen uses the EAH-AZ60M2 as an example.