Loud speakers have always been a fascination for many, but how many had known that a speaker can be made out of something as simple as a plastic cup!

A loudspeaker (or “speaker”, or in the early days of radio “loud-speaker”) is an electroacoustic transducer that produces sound in response to an electrical audio signal input. In other words, speakers convert electrical signals into audible signals. Click here to read more about loud speakers!

Here is how you convert a normal plastic cup into a speaker which can play music from your iPod or computer.

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