Hi,
Back at home, I could connect headphones to the Shanling H7 and begin to use it.
It is running version 1.5 for FW.
So here are my thoughts on this device...
In this post I will only give impressions about it's usage and features.
There won't be a post about sound quality as it is pointless after this

I just got it so if I missed some features, please just say it without flaming me.
And everything I write here is to give feedback on my OWN VIEWS and PERSONAL NEEDS.
Other peoples needs may vary and differ. So please do not "flame" me for expressing my thoughts.
First thing : Personal set-up and convenience
I would like to stress is that I could easily achieve what I would have liked to do since a long time :
- Xiaomi MiPad 5 Tablet with USB-C hub that allows it to be connected with Ethernet cable (and not Wi-Fi) ;
- Tracks retrieved from an mini-PC that runs Linux and an Emby server ;
- the USB-C hub is powered by PD port and one of the USB-A ports is connected to the USB in of the Shanling H7 ;
- the Tablet is driven with UAPP or Neutron which allows it to be used as a renderer and allow to apply Parametric EQ ;
- the tablet which is now used as a streamer is remote controlled by Emby interface on computer (not really reliable) or Smartphone running Symfonium ;
- the H7 is also connected to computer with the Coax/Optical in with a dedicated cable or an optical cable with 3.5mm adapter.
Headphones used are Sony MDR-Z1R, Oppo PM-1 ; Dan Clark Aeon Flow Closed & Open.
All are tested with the 4.4mm output in "Medium gain".
Second thing : easy connections
the Shanling H7 is really super easy to operate.
Within minutes I was able to connect it to computer, to connect it with USB to MiPad 5, to connect it with Bluetooth to my Smartphone or to tablet ; to connect it to Eddict with SymLink.
Third thing : total "laptop" device
if evreything works to how I'd love it, I regret that you can't select sources or set Volume other than with physical buttons. In other words, a remote control would have been convenient when the device is used as a
desktop DAC, which it can do given the charge port.
Fourth thing : Using SyncLink to use SD Card functionality (end of the story for me)
I assume a lot of us (maybe all of us) are interested in the SD Card reader feature.
As far as I am concerned, I accepted to pay the price asked for the Shanling H7 because of that feature.
I do not think I would have paid that price if that feature would not have existed.
And this why, unfortunaltely, I will not keep the Shanling H7. Because for
my needs and usage, it will not do
Why ?
Well, first, I would like to remotly drive the Shanling H7 with my Xiaomi Mipad 5. The MiPad is running latest MIUI software. It runs latest Eddict player app.
The problem is, if I want to connect the TABLET to the Shanling H7, it requires to activate Localisation Services. Which I do.
But Eddict player keeps asking for Localization Services.
I double checked. They are enabled and should be working...
Culprit may be MIUI or the Tablet hardware.
But whatever it is, it does not work.
And SyncLink DOES require those services to be enabled. Why is this mandatory ? I have NO IDEA
OK, so let's connect to the Shanling H7 with my smartphone. Still a Xiaomi Device but with no MIUI.
It works flawlessly.
Shanling H7 is connected with Synclink and my SD Card with maybe 1000 tracks is inserted (it is a 128GB unit).
I thought I could access the SD card from the Shanling H7 set-up page, but that is not the case.
Not a problem, once you know it that is absolutely hassle free.
So I am now on the "Local Music" option from the homepage.
You have a nice big button inviting you to scan your library.
As I said, I use a 128GB SD card, with maybe 1000 tracks stored to it.
It is now scanning since 20 minutes and still has not finished...
Maybe I did something wrong, but it just takes TOO LONG

Let's not imagine what it will do with a 2TB card with 20 000 tracks
Again, not a problem, I know that the way the library is indexed by Eddict will not suit my needs and that I will use "Browse by folders" 99% of the time anyways.
So I browse my SD Card.
Process is fast and easy and, as I sorted my files quite good, I can find my way through the files easily.
And I can start playing the files.
Playback starts almost immediatly and of course, files in selected folder are automatically added to the Playlist.
Which is nice and what I am looking for as I almost always listen to an entire album and not only selected tracks.
I could listen to 2 full albums without any app crash or any freeze or stuttering in Playback.
Magnificent.
But at third album, I had to leave home.
Stopped the playback and wanted to deleted the files stored in playlist... Hum.
Maybe I am the only stupid guy on earth looking for such feature and the only stupid guy on earth that did not see it in Eddict player.
But I simply can not erase my current playlist. Weird... But OK.
OK. Let's assume I can live with this (and I surely can).
Now I want to add a track to my SD Card. One would think that as the device is hooked up with USB, the card will appear and that you can add a track on the fly.
Nope, you can't.
But this is no surprise and has been documented already, so I can't complain.
OK.
So I am listening to my tacks with my usual headphone (a Sony MDR-Z1R).
I usually listen to my music with EQ (graphic or parametric).
Mandatory because the MDR-Z1R is a little on the "bassy" side without that EQ (at least for my tastes).
I know that the Eddict player has an EQ function (it's graphic I think).
So I am looking for that function... to find out it is greyed out and thus not available when SyncLink is used (or at leat used with Shanling H7).
All in all, these things make the SD card function something that I already know I will end up never using.
Purely personal... Does not imply device is not good.
Under those circumstances, the Shanling H7 will be used as a Desktop DAC alone and not on the go (I already have several Shanling DAPs for that).
CONCLUSION :
The SD Card feature is the thing making the Shanling H7 interesting and that, I think, explains the price.
Given the limitations
for my use scenario, I will not use it

Thus I can not justify the price of the Shanling H7 and will return it despite the rather "low" price I paid for it.
If people are interested I may do a comparison of sound quality between it and several other solutions...
Regards.