DTS:X 3D Surround
You can play a song or video in three-dimensional, immersive and vivid sound. To use this feature, connect earphones, speaker or other external audio devices to your device.
Tap Home > Settings > Sound > Sound quality and effects, then tap DTS:X 3D Surround ON/OFF to activate this feature.
If you connect external sound devices such as earphones and speakers to your device, a pop up appears where you can turn on the DTS:X 3D Surround or Hi-Fi Quad DAC function.