Toggling modes in HTC BoomSound

Turn on HTC BoomSound™ with Dolby Audio™ in Settings and experience a whole new level of mobile audio from the speakers on HTC One M9.

1. From the Home screen, tap , and then find and tap Settings.
2. Tap HTC BoomSound with Dolby Audio to toggle between Theater mode and Music mode.

Note: HTC BoomSound with Dolby Audio is not available over HDMI, Bluetooth, Miracast, or USB audio out.