Bluetooth speaker amplifier made of everything

Authors: Karlo Rančak

Menthor: Nikola Hadži-Veljković

School: Electrical Engineering and Traffic School Osijek

Country: CROATIA

e-mail: razrednik.nikola@gmail.com

The amplifier housing is made of cardboard. Inside is an old repaired car amplifier with modified speaker connections and a 12V converter. The amplifier has a power of 500W.