Schematic of a loudspeaker
Translated into Telugu by <a href="//commons.wikimedia.org/wiki/User:Mekala_Harika" title="User:Mekala Harika">User:Mekala Harika</a>
2019-02-24
<a href="//commons.wikimedia.org/wiki/File:Altavoz.png" title="File:Altavoz.png">Altavoz.png</a> by <a href="//commons.wikimedia.org/wiki/User:Flappiefh" title="User:Flappiefh">User:Flappiefh</a>