IPA: /ˌɛlɛktroʊəˈkuːstɪk/
KK: /ɪˌlɛk.trə.əˈkuː.stɪk/
Related to the technology that combines electrical and acoustic processes, often used in sound systems and audio equipment.
The electroacoustic system improved the quality of sound in the concert hall.
Electroacoustic is formed from "electro-" (from Greek "ēlektron", meaning amber or electricity) and "acoustic" (from Greek "akoustikos", meaning of or for hearing). The term refers to sound that is produced or modified by electrical means.
Think of 'electricity' ('electro-') being used to create or modify 'sound' ('acoustic'). This helps you remember that electroacoustic relates to sound produced by electrical methods.
No commonly confused words.