What is an open-back headphone? What is a closed-back headphone? What is the difference? Does it really even matter? In this section of the All About Headphones series, we take a look. Other videos from the "All About Headphones Series": Introduction to All About Headphones - http://www.youtube.com/watch?v=dzoHrghjQuQ #1 How do headphones really work? - http://www.youtube.com/watch?v=_W2z-ikIgM0 #2 Open-back vs Closed-back headphones? - https://www.youtube.com/watch?v=DS4T_1UyCHw #3 Are frequency range and spectrum graphs important? - http://www.youtube.com/watch?v=BNYitfi-43I #4 What is headphone impedance? - http://www.youtube.com/watch?v=GQWLuAEelcc #5 What is the perfect pair of headphones? - http://www.youtube.com/watch?v=K6NzECeUjSg