Below combination will give you a great sounding system for the money!
Amp: Vista Audio Spark II (389USD)
http://www.vista-audio.com/products/Spark/index.htm
Speakers: triangle borea br03 (499USD)
https://www.amazon.com/triangle-HiFi-Bookshelf-Speakers-Borea/dp/B084M6GTB9/ref=sr_1_5?dchild=1&...
Streamer: Arylic S50 Pro+ (199USD)
https://www.arylic.com/products/s50pro-wireless-preamplifier
Amp: Vista Audio Spark II (389USD)
http://www.vista-audio.com/products/Spark/index.htm
Speakers: triangle borea br03 (499USD)
https://www.amazon.com/triangle-HiFi-Bookshelf-Speakers-Borea/dp/B084M6GTB9/ref=sr_1_5?dchild=1&...
Streamer: Arylic S50 Pro+ (199USD)
https://www.arylic.com/products/s50pro-wireless-preamplifier