Yup :-)
I've found the Sonos One is pretty good - fills a room with quite good
quality sound. But hardly budget, and it's tricky trying to work out how
long it'll last. Also, the Amazon Echo isn't too bad.
IMO best for the money would be a variation on a Denon mini hifi:
https://www.ebay.co.uk/itm//132733251186
Find them in charity shops from time to time.
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Cheers, Rob