音おん力りょく

noun

strength of the voice; vocal power

Refers to the physical power or volume of one's voice, often in contexts like singing or public speaking.

• 彼かの女じょは音おん力りょくが強つよくて、マイクなしでも会かい場じょうの後うしろまで声こえが届とどく。

  She has a strong voice, and it reaches the back of the hall even without a microphone.