DTS:X and DTS MA 7.1 files in 4K MKV — UHD surround demos at 3840×2160
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-DTS:X Features-
Codec: mkv
Audio format: DD 5.1 / DTS:X / MA 7.1
- PREVIEW
- DOLBY 5.1
- DTS:X / MA7.1

-DTS:X Out of the box Long-
Codec: mkv
Audio format: DD 5.1 / DTS:X / MA 7.1
- PREVIEW
- DOLBY 5.1
- DTS:X / MA7.1

-DTS:X Out of the box Med-
Codec: mkv
Audio format: DD 5.1 / DTS:X / MA 7.1
- PREVIEW
- DOLBY 5.1
- DTS:X / MA7.1

-DTS:X Out of the box Short-
Codec: mkv
Audio format: DTS:X / DTS:X / MA 7.1
- PREVIEW
- DOLBY 5.1
- DTS:X / MA7.1
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DTS MA 7.1 demo and DTS:X at 4K — page 1
DTS:X Features leads this page by a wide margin — 90,240 lossless downloads, making it one of the most downloaded files in the entire DTS section and the most complete DTS MA 7.1 demo available at 4K resolution. By comparison, the DD 5.1 fallback version pulls 16,280. At 102 seconds and 968MB, it’s the largest file on the page and the only one here that functions as a full feature demo rather than a format test.
Object Emulator follows at 29,790 lossless downloads — DTS:X only, no fallback. Conceptually it’s the same DTS MA 7.1 demo principle as the HD version on page 7, but rendered at 4K resolution and 615MB. The file size jump versus the HD version reflects the higher bitrate required for UHD video rather than any change in audio content.
Out of the Box appears again in three cuts. Long leads at 24,590 lossless downloads, Short comes second at 14,030, and Medium trails at 11,920. Notably, the Short version at 19 seconds and 102MB is compact for a 4K file, which likely drives its numbers above Medium — easier to download quickly for a fast DTS:X compatibility check.
All files are 4K MKV at 3840×2160. Worth flagging: the schema on most blocks incorrectly shows SD resolution — the actual resolution is 3840×2160 throughout.

