>>189
海外のレビューならたくさんあるよ（2012年から売ってるので）
https://www.cnet.com/reviews/pioneer-sp-pk52fs-review/
https://www.digitaltrends.com/speaker-reviews/pioneer-sp-pk52fs-review/
https://www.audioholics.com/tower-speaker-reviews/pioneer-sp-pk52fs
https://hometheaterhifi.com/reviews/speaker/bookshelf/pioneer-sp-pk52fs-5-1-speaker-system-and-vsx-822-k-a-v-receiver/
https://www.themasterswitch.com/review-pioneer-sp-pk22bs-andrew-jones-51