As its name implies, open-back headphones have an open back. The earcups of the drivers include venting so that air from the outside can flow in and out. This ventilation is not possible with closed-back headphones. Open-back headphones don't separate the outside noise as well as closed-back ones do. If you intend to use them outside, this may be crucial. Additionally, they have a wider sound picture and a more expansive sound. The open-back headphones' main drawback is that they leak sound more loudly than the closed-back models. The individual sitting next to you will likely be irritated or disturbed frequently as a result. Excellent passive noise-cancellation technology is found in closed-back headphones. If you prefer not to have outside noise interfere with your listening, these are the best.