拡かく声せい

noun, noun or participle which takes 'suru', transitive verb

voice amplification; sound amplification

Refers to making a voice or sound louder, often using a device. Commonly used in compounds like 拡声器 (loudspeaker).

See also: 拡声器

• 拡かく声せい器きを使つかって声こえを拡かく声せいする。

  Amplify the voice using a loudspeaker.

• この装そう置ちは音おん声せいの拡かく声せいに使つかわれる。

  This device is used for voice amplification.