noun-modifying (irregular), noun
electro-acoustic
Technical term used in engineering and music technology to describe devices or systems that combine electrical and acoustic elements.
This studio is equipped with the latest electro-acoustic equipment.
Electro-acoustic transducers are used in microphones and speakers.
Refers to sound or acoustics in general, without the electrical component.
Means electricity or electric; 電気音響 specifically combines electrical and acoustic domains.
Compound of 電気 (electricity) and 音響 (sound/acoustics), likely a calque from English 'electro-acoustic'.