Sound is not output by the Dolby Atmos enabled speakers when input the DTS-HD Master Audio from the HDMI device connected to the Sound Bar.

On the HDMI device connected to the Sound Bar, try either of the following settings:

• Change the audio channel of the disc or content to an audio output other than DTS such as LPCM or Dolby.
• Set the audio output setting of the HDMI device to LPCM.
  NOTE: For how to change the settings, refer to the manual of the HDMI device.

What is Neural:X?
Neural:X is the latest upmixing technology from DTS that expands the stereo 5.1 channel and 7.1 channel to multi channels. It can be played on the multi channel speaker including height speakers.