かくせいき 拡声器 Common word LinksSentence search for 拡声器Sentence search for かくせいきSentence search for 拡声機Kanji details for 拡, 声 and 器Edit in JMdict Noun1. megaphone; bullhorn; loudhailerOther forms拡声機 【かくせいき】 Discussions Log in to talk about this word.