Clari-Fi music
With the development of digital technology, such digital music as MP3 is fairly popular in nowadays. Believe it or not, however, this kind of hi-tech music is not as smooth as analogue mediums like tape and even be harmful for your ear.
Yet you do not have to worry about it. Just plug a device like this from Intunition, you will better music. Moreover, unlike other similar but much bigger devices, this one do not require any extra power source. It uses power from the audio signal itself to do its magic