... : set-top boxes,HD players,Blu-ray,DVD,PS2,PS3,XBOX360)Features:1.Convert DTS/AC3 source digital audio to analog 5.1 audio or stereo audio ... / HD Player) is set to digital audio output.D. Make sure the 5.1 amplifier power on, and switch to the 5.1 audio input, turn on ... the volume. If connect 5.1 headphones, make sure ...