When DAP play multichannel record, it downmixes to 2. But some your records may be multichannel. Many of digital audio players DAP capable of playback at stereo headphones. Also, it saves electrical energy that is spent to the processing.
This mode doesn't consume additional computing resources for altering of an audio file. To avoid the track-border artifacts, True Gapless conversion may be used. If album converted from one audio format to other with resampling, it can cause artifacts at track borders. Gapless playback means playback album as a solid uninterrupted stream without re-initialization of DAC. When uninterrupted albums operas, concerts listen, non-gapless playback can cause clicks at track borders. There is no general rule, that is the best sound quality for every case. To play DSD files, audio player software should be configured properly. Read more about mobile device connections to DSD playback here. If you found wrong information, contact usplease. We are not affiliated with listed products.