I also have a Pulse and truly enjoy it. Although I am actively searching for the next level with either Innuos or Aurender. I have been impressed with the DH Labs Silver Sonic AES cable. I just ordered the Silver Revolution AES upgrade.
The Bifrost 2/64 is a nice DAC. I had one, two DACs ago. I didn't like the clicking in between songs when
the data rate changed. Moved to PS Audio then Bricasti.
I don't know how the Bifrost will work with different cables. I only used USB at the time for the DACs. The Bricasti sounds much better with AES instead of USB. Try what you have and find your magic combination. Enjoy the music!