addasound

  As a professional headset supplier , ADDASOUND offer addasound products which are specially designed for professional users in call centers and offices who would like to have the best hands-free device while experiencing superior noise-canceling, crystal clear voice transmission, all-day comfort and great durability.   Noise-canceling headsets are a kind of headsets that reduce noise through a certain method. The current noise cancelling headsets with mic are divided into two noise cancelling modes: passive noise cancelling and active noise cancelling.   Passive noise cancelling   Passive noise cancelling is an outdated method of noise cancelling. The reason why passive noise cancelling is used is that it does not rely on the support of technology, thus reducing costs.   Wrapped to form a closed space: Passive noise-cancelling headsets mainly form a closed space by wrapping the ears and use sound-insulating materials such as silicone earplugs to block external...