Denon PerL Owner's Manual page 19

Contents
Choosing the level of immersion
1
Open the Denon Headphones app.
2
Use the immersion slider to choose your preferred
level of bass.
Please note: Always set your immersion to a comfortable, moderate level
when using your earbuds for an extended period of time.
Basic part Advanced part Headphones app Troubleshooting
19
Appendix