Plug in your headphones and turn on 
		HTC BoomSound with 
		Dolby Audio™ to enjoy refined audio with a surround sound effect. 
	 
 
  
 
	 -  
		  From the 
				Home screen, tap 
				
, and then find and tap 
				Settings. 
			  
		 
-  
		  Plug your headphones into the headphone jack. 
		   
		
 
- If this is your first time to plug in a headphone and you're prompted to set up an audio profile,  tap Not now. 
 
-  
		  Tap 
			  .  
		   
		
 
- Choose the type of headphone you're using, and then tap Apply. 
 
 
	 
 
		Note: HTC BoomSound with 
		  Dolby Audio is not available over HDMI, 
		  Bluetooth, 
		  Miracast, or USB audio out.