Notice£º
 
This is beta test firmware for A300, D300REF, D300 and D280. Unzip the firmware, copy update.bin file to the root directory of SD card, then plug it into SD card slot. Make sure the card is readable, then enter into system update menu, select ¡°Firmware upgrade¡±, long press the right button for 3 seconds, press ok after the reminder shows, after a successful upgrade, the system will restart automatically.

=====V3.0.73=====
New Features£º
1.Add MQA setting in Sound Setting, to turn on or off MQA.

=====V3.0.72=====
Improve£º
1.Optimize ROON.

=====V3.0.71=====
New Features£º
1.Support DSD128.

=====V3.0.66=====
Improve£º
1.Improve the performance.

=====V3.0.65=====
Improve£º
1.Quitting Coax and Optical will resume the sampling rate of DA chip.

=====V3.0.63=====
Improve£º
1.Optimize the sound-switching noise.

=====V3.0.62=====
Improve£º
1.Optimize Roon Interface.
2.Optimize upgrade process.

=====V3.0.59=====
New Features£º
1.ROON supports MQA.

=====V3.0.51=====
New Features£º
1.Optimize Roon Interface.

=====V3.0.50=====
New Features£º
1.ROON and DSD128 supported with local files.
=====V3.0.48=====
New Features£º
1.Support Roon, it features:
    1.1 Support PCM sampling rate of 44100, 48000, 88200, 96000, 176400, 192000, digit 16, 24, 32, dual channel, tracks with same sampling rate and digit feature seamless playback.
    1.2 Support DSD64. 
    1.3 Volume control only available on Roon.
    1.4 Roon playing will show container format PCM/DSD, sampling rate, sampling digit and volume.

=====V3.0.45=====
Improve£º
1.Optimize DLNA access when turn on the device.

=====V3.0.42=====
Improve£º
1.Modify the SD card driver to adapt more.

=====V3.0.40=====
Bug Fixed£º
1.Modify the judgement of the end of a track.

=====V3.0.39=====
Improve£º
1.Optimize DSD cache logic.

=====V3.0.38=====
Improve£º
1.Optimize HDD and Internet resource.

=====V3.0.36=====
Bug Fixed£º
1.Repair occasionally green screen when quit.

=====V3.0.35=====
Improve£º
1.Repair slow reaction due to pull and plug.
2.Optimize playback performance.

=====V3.0.33=====
Improve£º
1.Optimize DLNA: 
1.1.Put picture small than 1M (JPEG, BMP, JPG, GIF, PNG) in the folder, browse this folder using 8player, BubbleUPNP will see the picture.
1.2.General Setting-> DLNA Picture: Open or close.
1.3.(Fuzzy matching base on picture name) Priority: Front> Cover> Folder> Other name

=====V3.0.32=====
Bug Fixed£º
1.Repair when turn off pre-amp:
1.1.Using mobile phone to control: volume can still be adjusted with PCM
1.2.Quit mobile control will automatically turn on volume control, although it is still closed in setting.
		
Improve£º
1.Optimize DLNA Volume.
2.Optimize the switching sound when switch sound source.

New Features£º
1.Put picture less than 1M together with track, select DLNA setting, then you can choose to display picture or not when use 8player or bubbleupnp to browse local SD card, NFS and USB catalogs.

=====V3.0.31=====
Improve£º
1.CD ONE can play 30 tracks at most.

=====V3.0.30=====
Bug Fixed£º
1.Repair CD-One crash.

=====V3.0.29=====
Improve£º
1.Optimize DLNA, browse faster using APP

=====V3.0.25=====
Bug Fixed£º
1.Make NTFS supported by system kernal ( Faster recognition, but single partition can¡¯t be more than 2T)

=====V3.0.22=====
Improve£º
1.Optimize operation.

=====V3.0.20=====
Improve£º
1.Optimize Airplay.

Bug Fixed£º
1.8player to play foobar tracks on PC.