Realtek HDA/UAD/Component Drivers

@fikotr74
2 weeks 3 days ago  

@khealou
Catalog

Realtek SoundWire SDCA XU Audio Acer 10.0.396.1 driver from Acer (posted 9/08/2026)
-includes Realtek Audio Universal Service 1.0.10 10.0 driver, Realtek Hardware Support Application (HSA) 11.0.6000.396 driver
and Realtek APO2 {13.6149.2509.880} driver for Win11 only

Realtek Soundwire SDCA XU Audio Dynabook 10.0.341.1 driver from Dynabook (posted 9/15/2026)
-includes Realtek Audio Universal Service 1.0.963.0 driver, Realtek Hardware Support Application (HSA) 11.0.6000.391 driver,
Realtek APO2 {12.5269.2469.792} driver for Win10 and Realtek APO2 {13.5269.2469.792} driver for Win11

fikotr74 wrote:

Realtek SoundWire SDCA XU Audio Driver  10.0.423.1 - HP DOWNLOAD :  sp174571  -  Release Notes  (September 04, 2026) VER: 10.0.423.1 REV: B PASS: 12
RtkSdcaXuHP2
SUPERSEDES: None
ENHANCEMENTS:
- Provides the initial driver.
DEVICES SUPPORTED
PCI\VEN_8086&DEV_4D28&SUBSYS_8FCB103C="Intel Smart Sound Technology Bus"
PCI\VEN_8086&DEV_4D28&SUBSYS_8FCC103C="Intel Smart Sound Technology Bus"
PCI\VEN_8086&DEV_4D28&SUBSYS_9045103C="Intel Smart Sound Technology Bus"​​​​​​​
HARDWARE PRODUCT MODEL(S): Notebooks
HP ProBook 4 G2iS 14 inch Notebook AI
HP OmniBook X 14 inch Laptop AI​​​​​​​

---

this sp174571 package contains Realtek Audio Universal Service 1.0.10 30.7 driver and
Realtek APO2 {13.6737.2637.932} driver for Win11 only; also includes DTS HP Extension driver 1.16.21.0,
DTS APO4x Core driver 1.16.6.0, DTS APO4x Controller driver 1.16.6.0 & DTS APO4x Service driver 1.16.5.0
and bundles DTS Sound Unbound UWP app

v6.0.10028.1 UAD Biostar driver from Biostar (quietly posted 9/09/2026)
{ Biostar download site 1 } { Biostar download site 2 }
-has HDXBiostar.inf & HDXSSTBiostar.inf files
-includes Realtek Audio Universal Service 1.0.10 28.0 driver, Realtek ASIO 1.0.16.1 driver, Realtek Hardware Support Application (HSA) 11.0.6000.398 driver,
Realtek APO2 {12.6469.2509.904} driver for Win10 and Realtek APO2 {13.6689.2609.930} driver for Win11

also

XPERI/DTS APO4x Core 1.16.6.0 [AudioProcessingObject] driver from Microsoft (cab download size 1.4Mb; quietly posted 8/17/2026)
catalog.s.download.windowsupdate.com/c/m...3f323722ad880c87.cab

XPERI/DTS APO4x Controller DLL 1.16.6.0 [SoftwareComponent] driver from Microsoft (cab download size 1.0Mb; quietly posted 9/07/2026)
catalog.s.download.windowsupdate.com/d/m...1ade6e1b42a2696b.cab

XPERI/DTS APO4x RPC Service 1.16.5.0 [SoftwareComponent] driver from Microsoft (cab download size 225Kb; quietly posted 6/08/2026)
catalog.s.download.windowsupdate.com/c/m...9a5b37e943e8c5ab.cab