マイクロフォン
マイクロフォン · maikurofuォn · JLPT N1 · noun
microphone
🎤 micro (small) + phone (sound): a device that catches small sounds
Micro comes from Greek mikros (small) and phone from phōnē (sound). Shortened to マイク (maiku) in everyday Japanese, which is the usual word for a mic.