Hi,
You could look at a Raspberry Pi based streamer, you'd need the following items to build a pretty good streamer:
1. Raspberry Pi
2. HAT DAC (allo boss is currently getting great reviews but there are many options)
3. A better power supply (many options from linear power supply's to batteries)
4. A case
5. Software (both picoreplayer and Volumio are good but again there are many choices)
6. About an hour to put it all together and load the software onto the Pi.
Setting up the Pi is pretty simple but you will need a computer and a sd card reader to load the software and there are step by step YouTube videos to follow.
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