JB Systems 7-channel mixer (distributed over 13 inputs) with integrated MP3 media player for USB stick and SD card (max. 16GB). The music tracks on the USB stick or SD card can be easily operated by simply operating the media player on the 4th channel. There are a total of 3 microphone, 5 line, 2 phono, 2 USB and an AUX input. The DJ mixer also has 2 adjustable outputs, one of which is balanced XLR outputs.