Great DIY options that doesn’t compromise on quality. It’s also quite flexible. I started with just a raspberry pi zero to replace a chromecast and the flexibility made me want to explore. There are loads of quality options that require zero technical knowledge (Spdif, DAC, Amps). It’s fast at connecting with Spotify connect or Bluetooth. Features are implemented regularly and so far I had no issues with it. The community is also quite friendly if you need help. The pay version is quite cheap (no more than the price of a pint). I now use it everywhere in the house. I’m happy!