acústico

Etymology
.

Adjective

 * 1) acoustic pertaining to hearing or the science of sounds
 * 2)  acoustic producing or produced without electrical amplification

Etymology
.

Adjective

 * 1) acoustic pertaining to hearing or the science of sounds
 * 2)  acoustic producing or produced without electrical amplification

Etymology
.

Adjective

 * 1) acoustic
 * 2)  acoustic

Noun

 * 1) hearing aid