拡かく声せい装そう置ち

noun

public-address system; PA system

A device or set of equipment used to amplify sound so that announcements or speech can be heard over a wide area.

• 学がっ校こうの拡かく声せい装そう置ちで朝ちょう礼れいの連れん絡らくを流ながした。

  The morning assembly announcements were broadcast over the school's PA system.

• 駅えきの拡かく声せい装そう置ちから列れっ車しゃの遅おくれが知しらされた。

  The train delay was announced over the station's public-address system.