The answer is an Intruder Prevention System (IPS). An Intrusion Detection System (IDS) will detect an attack but will not block it.
        
             
        
        
        
If you mean speakers. You should remove them or if you mean the speakers in the PC. Perhaps you put the headphones in the wrong one. Theres usually too one in the front and the other one in the back of the desktop.
Hope this helps.
Regards. Shaggy
Enjoy your music! 
 
        
                    
             
        
        
        
Put some more of your time to help improve that skill.try to learn to get better.
        
             
        
        
        
Explanation:
Refactoring consists of improving the internal structure of an existing program's source code, while preserving its external behavior.