海外では、SONYかYAMAHAの2択になってるよ。
日本とは全然違う。

https://thewirecutter.com/reviews/best-stereo-receiver/amp/
The Best Stereo Receiver
UPDATED JANUARY 29, 2020
After a new round of testing, the Sony STR-DH190 remains our top pick, and we have added the Wi-Fi–capable Yamaha R-N303 as an upgrade pick.