A video on how to make a portable speaker with already premade electronics, which You can buy on Aliexpress, Amazon or Ebay.
I used these modules from aliexpress:
Li-Ion batteries - https://www.aliexpress.com/item/32807...
D Class amplifier - https://www.aliexpress.com/item/32769...
Step-Up converter - https://www.aliexpress.com/item/32983...
Li_Ion Batteries charger module - https://www.aliexpress.com/item/40005...
And this speaker from Amazon:
Visaton - https://www.amazon.co.uk/VISATON-SPEA...
Music by Joakim Karud / joakimkarud
Music promoted by Audio Library • Dizzy – Joakim Karud (No Copyright Mu...