firmware update & downloads
update your software and drivers to the latest version to get better using experience.
m15 mobile hifi dac/ amplifier
firmware downloads
version:v9399
update time:2022.08.05
required system:windows 10
notes:resolved the occasional compatibility issue when m15 was running tidal and other applications on some devices
version:v9277
update time:2022.04.27
required system:windows 10
note:solved the occasional compatibility problem with m15 when used on some devices
version:v9086
update time:2022.04.15
required system:windows 10
note:solved the occasional compatibility problem with m15 when used on some devices
m12 mobile hifi dac/ amplifier
firmware downloads
version:ver9399
update time:2022.08.05
required system:windows 10
note:resolved the occasional compatibility issue when m12 was running tidal and other applications on some devices
version:ver9277
update time:2022.04.27
required system:windows 10
notes:solved the occasional compatibility problem with m12 when used on some devices
version:ver8587
update time:2021.08.22
required system: windows 10
note:solved the occasional compatibility problem with m12 when used on some devices
cma fifteen desktop headphhone amplifier/ dac
driver downloads
version:usb driver
update time:2021.10.15
required system:win 7/8 win 10/11
note:this link is cma fifteen driver link. for firmware upgrade installation and instructions, please contact info@questyle.com and indicate your product serial number, we will send the firmware upgrade according to your requirements.
cma twelve desktop headphhone amplifier/ dac
driver downloads
version:usb driver
update time:2019.12.5
required system:win 7/8 10
note:///
qpm lossless portable player
drivers & firmware downloads
version:qpm dac usb driver
update time:2018.05.17
required system:windows xp/7/8/10(32/64bit)/ios11/mac os x10.7 or later
note:usb driver for dac, compatible with qpm and qp2r.
version:qpm firmware 1.05
update time:2022.08.09
required system:///
note:///
version:qpm firmware 1.04
update time:2018.05.17
required system:///
note:///
qp2r lossless portable player
drivers & firmware downloads
version:qp2r dac usb driver
update time:2018.05.17
required system:///
note:///
version:qp2r firmware 1.05
update time:2023.02.23
required system:///
note:1. updates korean language functionality; 2. solves issue of unit sometimes restarting when switching from pcm -> dsd audio file formats using digital audio outputs (through 3.5mm optical output or qlink coaxial output); 3. general stability improvements.
version:qp2r firmware 1.04
update time:2018.05.17
required system:///
note:///
version:qp2r firmware 1.03
update time:2017.11.14
required system:///
note:///
qp1r lossless portable player
drivers & firmware downloads
version:qp1r dac usb driver
update time:2016.01.26
required system:win xp/vista/7/8/10
note:///
version:qp1r firmware v.1.09
update time:2019.02.25
required system:///
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version:qp1r firmware v.1.08
update time:2019.02.25
required system:///
note:///
cma400i desktop headphhone amplifier/ dac
drivers & firmware downloads
version:cma400i driver
update time:2017.07.18
required system:win xp/vista/7/8/10
other products
if you cannot find the files you need, please call 0755-828356790 or email info@questyle.com, we will contact you as soon as possible
product model:cma 600i
product model:cma 800i
products model:cas 192d