I started with Bluesound and as I could hear improvements, I just kept upgrading. I eventually stumbled across a Brinkmann Nyquist and the rest is history.
Yes, as you increase your budget, the higher the resolution you will be able to hear. Just like turntables and cartridges.
Do you have to spend $8k? No, you can spend under $1K and have a pretty good set up-But, just pretty good.😉
Bob