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This page outlines differences in functionality and features between Series 3 (XTx43, XDx33, HDx23, LS423) and Series 4 (XTx44, XDx34, HDx24, LS424) models.
HDR10, Dolby Vision
XTx43 players support HDR, while XTx44 players support both HDR and Dolby Vision.
WMV Codec
Series 3 (XTx43/XDx33/HDx23/LS423) players support video-only .wmv (i.e. without .wma audio), while Series 4 (XTx44/XDx34/HDx24/LS424) players do not support the .wmv codec at all.
Portrait Video
While XDx33 players can play two HD portrait videos simultaneously, XDx34 players can play only one HD portrait video at a time.
Both XTx43 and XTx44 players can play two simultaneous portrait HD videos.
Note
Selecting a portrait mode in BrightAuthor will set all video zones in that presentation to portrait, while a custom BrightScript/HTML presentation can set video zones to portrait/landscape individually. This means that a BrightAuthor portrait presentation for XDx34 players is effectively a single-video presentation, while a custom BrightScript/HTML presentation for XDx34 players can have both a portrait and landscape HD video zone.
3.5mm Serial
HDx24 players (and XTx43/XDx33 players that are rev G or earlier) do not support full RS-232 signaling. XTx44/XTx34/HDx24 players (and XTx43/XDx33 players that are rev H or later) support full RS-232 signaling. See here for more details.
SSD
XTx43/XDx33 players support the ATAPI logical interface for SSD, while the XTx44/XDx34 players support the NVMe interface. See here for more details.
| XTx44 | XTx43 | XDx34 | XDx33 | HDx24 | HDx23 | LS424 | LS423 | |
|---|---|---|---|---|---|---|---|---|
| Dolby Vision | O | |||||||
| HDR10 | O | O | ||||||
| 4K Video Decode | O | O | O | O | O | O | ||
| WMV Codec | O | O | O | O | ||||
| HD Portrait Video | (dual) | (dual) | (single) | (dual) | (single) | (single) | (single) | (single) |
| Full RS-232 | O | O* | O | O* | O | |||
| NVMe (SSD) | O | O | ||||||
| ATAPI (SSD) | O | O |
*Requires units that are Rev H or later.