I've been pretty happy with Dragonfly[0]. Tho they don't come cheap. I have had the black and am currently on the Red, I noticed the difference so I think it's

I've been pretty happy with Dragonfly[0]. Tho they don't come cheap. I have had the black and am currently on the Red, I noticed the difference so I think it's worth it. Have not tried the cobalt. [0] - https://www.audioquest.com/dacs/dragonfly/dragonfly-cobalt https://www.audioquest.com/dacs/dragonfly/dragonfly-cobalt