Samsung UA40EH5300MXSQ, UA46ES6900MXSQ, UA55ES6800MXXY, UA40ES5500MXXY, UA55ES6600MXXY, UA32ES5600MXSQ

Speaker Settings

Menu → Sound → Speaker Settings

●● Speaker Select

If you are listening to the sound track of a broadcast or movie through an external receiver, you may hear a sound echo caused by the difference in decoding speed between the TV’s speakers and the speakers attached to your audio receiver. If this occurs, set the TV to External Speaker.