Retekess radio roundup: a range of receivers reviewed rigorously

I wanted to review one radio from Retekess, and they sent me four. Let's take a look at them and evaluate their reception and sound quality. If you want to see what's inside the TR604 radio, Fran Blanche did a teardown of it: https://www.youtube.com/watch?v=zSlif4p-ULM

Retekess TR604
United States
https://www.amazon.com/dp/B07QQWBHZV?ref=myi_title_dp
Canada
https://www.amazon.ca/dp/B07QQWBHZV?ref=myi_title_dp

Retekess V115
United States
https://www.amazon.com/dp/B01ARN28SQ?ref=myi_title_dp
Canada
https://www.amazon.ca/dp/B071NMCVM5?ref=myi_title_dp

Retekess PR11
United States
https://www.amazon.com/dp/B01EACB5J8?ref=myi_title_dp
Canada
https://www.amazon.ca/dp/B01EACB5J8?ref=myi_title_dp

Retekess PR12
United States
https://www.amazon.com/dp/B07C9Z3WRN?ref=myi_title_dp
Canada
https://www.amazon.ca/dp/B07C86172R?ref=myi_title_dp

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