The Amber 3 is very musical and a wonderful dac and I have heard good things about the trubador as well. If it were me, I would add the Chord Mscaler and connect it to your Qutest. You will be blown away. Take a look at this review of the Mscaler with the Qutest.
https://audiobacon.net/2019/05/31/chord-electronics-hugo-m-scaler-review-digital-disruption/4/
https://audiobacon.net/2019/05/31/chord-electronics-hugo-m-scaler-review-digital-disruption/4/