I bought this speaker a month back because the Samson Mediaone BT4 speakers I have been using were not giving my adequate output. I bought a single speaker and when connected to Yamaha MG06 mixer it gave nice performance. But if you are thinking of using it as a PA system with the mic directly connected to it, the sound many be OK for a public address, but not good for Music. Also though it allows an auxiliary input line input along with the mic, the sound is not satisfactory. So you have to be careful as to why you are buying it. However I am happy with it because I use it along with the mixer and it sounds really good.