>>646
https://sgatlas.wpengine.com/wp-content/uploads/2022/03/Sony-WH-1000XM3-isolation-chart-HATS-560x328.jpg
https://sgatlas.wpengine.com/wp-content/uploads/2021/04/sony-wh-1000xm4-Isolation-HATS-1-560x328.jpg
https://sgatlas.wpengine.com/wp-content/uploads/2022/05/sony-wh-1000xm5-ANC-chart-786x460.jpg
XM3、XM4、XM5とノイキャンは順当に進化してる