Acoustic relates to sound or the way sound behaves in a space. It can also describe music played with natural instruments, without electronic amplification.
From Greek 'akoustikos', meaning 'of or for hearing', from 'akouein' (to hear). It originally referred to the science of hearing and sound.
Acoustic is about how sound lives in a space—bouncing, echoing, or disappearing. When you call a guitar 'acoustic', you’re really saying, 'This sound is traveling the old-fashioned way, through wood and air, not wires.'
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