upgrade advice

On the Wyred 4 Sound.  I will agree that a Wyred 4 Sound modified Sonus Connect can make an excellent digital transport.  Keep in mind that the Wyred 4 Sound mod will have one fixed output sampling frequency (they recommend 96Khz).  Also, keep in mind that the Sonus Connect does not have USB to allow connection of an external USB drive.  You'll have to stream files from a computer or NAS device.  But it does have Tidal, lol.  Wyred 4 Sound are selling upgraded new Sonus Connects for $890 ($340 for the sonus, which is a good price) - or you can buy used and send it in for upgrade.  It is not a DAC, just a transport, so you'll still be using the Hegel DAC (unless you also want to buy a new DAC).

Give your Node 2 a boost, insert a Wyred Remedy reclocker between it and your Hegel, it will make more of a difference than any of the cables mentioned here.

BTW, the Remedy is the same tech thats in the modified Sonos Connect.

thanks
do you think that buying the sim audio mind  180 stremer can be very good upgrade instead of bluesound?

Looking at the update process of the sim audio mind its crude compared to the bluesound node 2.  I would agree that the internal DAC of the node 2 is not great however, it will play MQA which many external DACs will not.  Connecting the node 2 to a higher end external DAC will definitely an upgrade.  I have my node 2 going through a Wyred Remedy to a Modwright Elyse DAC and it sounds amazing.  The node 2 will stream CD quality from Tidal and HD tracks you may have on a local NAS, Sonos players will not stream HD.