๐๐๐ฏ๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง๐๐ซ๐ฒ ๐๐๐ฆ๐ฆ ๐๐ฒ๐ง๐๐ฆ๐ข๐ ๐๐ซ๐ข๐ฏ๐๐ซ ๐๐๐The 7Hz Salnotes Zero is a revolutionary earphone to be fitted with a 10mm dynamic driver with metal composite diaphragm. The metallic composite diaphragm used by 7Hz Zero is made of high quality materials, making it easier to resonate or vibrate along with sound waves. It was constructed with ease of use in mind as each part has been designed with precision accuracy so that they will not hinder audio transmission.