I see, thanks. In that case should BTR7 outclass DC06 Pro?
I'm not much in the audiophile industry now, I produce music and wanted the BTR15 as an audio interface on the go, which I do appreciate, so I',m out of date, but someone told me that DC06 Pro would sound better and I wanted to give it a try, since for music production, the better the DAC sounds, the better and the price was about the same. For sure BTR15 outclasses any low cost audio interface by quite a margin. Even MOTU claims their Sabre 32 Ultra DAC will sound terrific on the M2/M4 models and they sound crappy compared to BTR15. Not to mention Focusrite, M-Audio, etc, entry level interfaces. So these mini DACs are a viable solution for producing on the go due to the excellent sound quality and portability. And reliability due to the evolution of generic low latency ASIO drivers. A bit better DAC that could come closer to my Antelope Audio interface, would be ideal. I don't know what DAc is that without spending the same as my audio interface. But if you ask me if I could produce a song from start to finish with BTR15 only, yes, it's good enough for that challenge. Maybe just polish it later on with a decent audio interface and studio monitors, since the Antelope Audio interfaces will sound noticeably better than BTR15 and you can't rely on headphones only.
For the DAC on the go I'm using a 1000€ IEM, that is as neutral as a studio monitor and as revealing as my ADAM A7X monitors, which eases things up for me. Beyerdynamic Xelento that I highly recommend to ANY music producer at any level. It's a pair of 1500€ monitors in your ears. No room treatment needed.
Just headphone calibration and Realphones Ultimate:
https://www.dsoniq.com/realphones to check your mixing in different environments and you're all set.
As a professional Ghost Producer that sells music for various clients, musicians and not musicians (TV, film, etc), a quality production is mandatory. Being able to take final mixing decisions while traveling, is a great time saver. Time is my biggest challenge. I no longer run out of time since I began producing on the go and these portable DACs, with this sound quality are a bless. Two of the most important characteristics are mids (vocals) and timbre and BTR15 does a great job on that. The wide soundstage and imaging also help simutaling a studio environement, with Near Field Monitors, especially while using Realphones inside Studio 21A and others, that will emulate just that.