Maybe a few years ago, we thought that it would take many years to become a well-known audio equipment manufacturer, such as Sennheiser, which started in 1945, such as Onkyo in 1946, or Sony Walkman. By 2014, you will be 35 years old. At least 10 years ago, the growth of audio equipment brands was very slow, because songs should be spread through CD, tape and other carriers