The TDA7297 is a 2.0 Audio Amplifier Board, that can drive your old 4-8 ohm 10-50 watt speakers. I had a couple of old Bose cubes, and Cambridge Soundworks speakers lying around so this was a cheap way to give them a second wind.
They can be bought from eBay, Aliexpress or Taobao. Taobao’s the cheapest, but you would need to factor in shipping costs and it’s probably only worth it if you are getting other parts as well at the same time (which you should).
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