How to say “Building management notice: common room available on Saturday from two to five in the afternoon, without amplified sound.” in Japanese
In Japanese
管理側のお知らせ:土曜日の午後二時から五時まで談話室を利用できます。拡声機器は使えません。
Kanrigawa no oshirase: Doyōbi no gogo niji kara goji made danwashitsu o riyō dekimasu. Kakusei kiki wa tsukaemasen.