Yamaha is a mark of true Quality, it is durable and strong. This 12 Channels Mixer has built-in amplifier, Equalizer and USB /SD card slot port. It is good for Church, Mosque, Studio, DJ Entertainment and many more. It is all you need to set your sound in order. It Effects, Auxiliary, Echo, etc. Name :- Yamaha 12 Channels Sound Mixer with amplifier Type:- Powered