Translation of "Hertz" in Japanese

Hertz and Avis are head to head competitors in the car rental business.

ハーツ社とエイビィス社はカーレンタルの業界でしのぎを削っている。

HS: The females are at a much lower pitch. They were around 400 hertz.

（ヘイリー）メスの羽音は２匹とも ずっと低い音で 400ヘルツ前後でした