Listening to the music is one of the favorite activities for all people in all stages. Everywhere they go and stay, it is convenient listening music. For people in particular teenager and youth, they love to listening music at club or certain place which provides entertainment around music such as life concert particular bands or singer, offering DJ to play the music more interesting, or even the original one, playing music from the source such as Tape, VCD player and other device related.

The most interesting for youth besides watching the live concert for their favorite bands or singers is listening music played by DJ. But not all of them know how DJ could make different sound for certain music that is usually listened by them on the other source which is simpler like CD player and so forth. Actually, there is DJ software and also several other devices needed to create unique sound for certain song played.

If you often watch what things around DJ either used or placed close to him/her, you will know those equipments used for helping the DJ to mixing or modifying the song. Those all are divided into three main functions that are input devices, processing devices and last output devices. All devices are working together to establish certain sounds which are different from the original. 

The input devices consist of several equipments such as PLs, CDs and hard drive if the DJ uses Laptop for the source of the songs. In addition, media players which are used for running the data storage of the tracks are also involved as the input device. Those devices are CD Decks if the DJ uses CD for the source of song and Turntable if the DJ uses PLs for the source.  

The main devices for DJ are processing devices which are functioned for creating the new impression and modification t the song. The primary DJ equipment which determines the quality of the DJ except the DJ’s capability is this group. Those include DJ Mixer, DJ Headphone and Midi Controller. The first device, DJ Mixer, is used to playing the signal from the song by managing the volume, Pitch, Treble, Middle, Bass and other effects. 

DJ Headphone is used to listening and monitoring the sound that enter the mixer. Last, Midi controller is accustomed to be used by DJ who uses laptop as the processing device. The output devices are composed by these two devices, Sound system and Transmitting device in which this transmitting device is used for DJ on radio.