Today I paid a visit to the local dealer to repair the Utopia.
They briefly test to confirm the driver failure then repacked for repair. No other questions ask.
The turn around time will be 2-3 weeks, hope it can come back before the Xmas.
I also have a listening session to the Susvara in the shop. The Susvara is connected to the Moon 430HA.
The soundstage is definitely better but less image accuracy. The base extension is slightly deeper than Utopia but lack of dynamic punching.
Overall it is a less "fun" headphone to listen to...I don't think Susvara is an upgrade to the Utopia, more like a taste difference.
This makes the price of Susvara really not justifiable. Now I can aim at electrostatics more confidently now