Enabling “High-gain mode”
High-gain mode allows you to increase the volume output of your earbuds by +6db
Turning “High-gain mode” On/Off:
Open the Denon Headphones app with your earbuds connected via Bluetooth to your device.
Tap on the “Settings” tab at the bottom right ( 
) .
) .Tap the “High-gain mode” toggle button to enable or disable the setting.