Below schematic shows the Pioneer BDP-320 to AV Receiver or Amplifier Cable Harness Diagram. Connect the Pioneer BDP-320 Blu-ray disc player to an AV receiver or amplifier in order to enjoy the surround sound of Dolby TrueHD, Dolby Digital Plus, Dolby Digital, DTS-HD Master Audio, DTS-HD High Resolution Audio or DTS Digital Surround.