DIY 50W Bluetooth speaker from a waste bottle

Authors: Karlo Rančak

Menthor: Nikola Hadži-Veljković

School: Electrical Engineering and Traffic School Osijek

Country: CROATIA

e-mail: razrednik.nikola@gmail.com

The speaker is made from an old plastic water bottle. It is practical to carry since the bottle also has a handle on it. The maximum speaker power is 50W RMS.