Which uses more energy (battery), Bluetooth or self-contained speakers?

Which uses more energy (battery), Bluetooth or self-contained speakers?
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1 Answer

Answer :

Bluetooth. The Bluetooth protocol (software) itself takes a certain amount of energy just to do the necessary running of the program. Then, producing the sound (energizing the speakers) takes additional power. Self contained speakers will take less overall power. (not by an enormous amount, but enough to matter)
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