audiocassette
noun
au·dio·cas·sette ˌȯ-dē-(ˌ)ō-kə-ˈset 
-ka-
: an audiotape recording mounted in a cassette
Example Sentences
Recent Examples on the Web Lou Ottens, the Dutch inventor of the audiocassette tape, died this month at 94. 
Mike Kerrigan, WSJ, 26 Mar. 2021
Mike Kerrigan, WSJ, 26 Mar. 2021 Word History
Etymology
audio- + cassette
First Known Use
1967, in the meaning defined above