Sound qulity is not good . This led screen is full 3d .but not good looking picture.sound perfect is poor .not attach any music sistem .i am buy samung tv to 2 year ago . When led two time repear. this led icu is not havvy lite loading.i am big time investment led. I preayere all people not buy this led. I am always difical situation. Not good sreen aand not good sound performance. And volume is not fully 100metar only I am unhappy this samsung prodect .this prodect is zero no me. Are u sure not buy this led