1. Reduction of external noise

1. Unwanted or disturbing sound

2. Headphones that cover the entire ear

3. Perception of auditory events

4. Protective device for the ear

5. Electrical device to increase audio signal

6. Feeling of physical ease or relaxation

7. Part of headphones that goes over the head

8. Blocking of external sound

9. Socket for connecting headphones

10. Strip of material forming a loop

11. Headphones that fit inside the ear canal

12. Connector for headphones

13. Part of headphones that covers the ear

14. Speaker within the headphone

15. Wires connecting headphones to audio source

16. Soft, lightweight material

17. Sound or music

18. Short for microphone