The main component is the PAM8403 digital amplifier. It’s very small and can be powered with an USB cable. It can deliver three watts per channel and it has a very low price, especially if you buy more pieces at once. It works with 4ohms and 8ohms speaker drivers.

If you are a nice lad and want to donate to me on PayPal, here you go: [email protected]

My Patreon campaign:   / sorindiy  
My Facebook page:   / sorindiy  
My Instagram:   / sorin.diy  

PAM8403 Amplifier Board: https://s.click.aliexpress.com/e/_De4...
Speakers 2" 3W: https://s.click.aliexpress.com/e/_Deg...
50K dual potentiometer: https://s.click.aliexpress.com/e/_Dnk...
Potentiometer knobs silver/black: https://s.click.aliexpress.com/e/_Dn3...
Small switch 10x15mm: https://s.click.aliexpress.com/e/_DnN...

volume potentiometer schematic: https://i.imgur.com/Yj3sOqr.jpg
PAM8403 speaker schematic: https://i.imgur.com/LhEsWEq.jpg

Music
Track: Andromedik Firefly [NCS Release]
Music provided by NoCopyrightSounds.
Watch:    • Video  
Free Download / Stream: http://ncs.io/FireflyYO

Track: ÉWN Feels (Original Mix)
Music provided by NoCopyrightSounds.
Watch:    • ÉWN  Feels | Trap | NCS  Copyright ...  
Download this track for FREE: https://www.hive.co/l/2b4qv

Track: Raven & Kreyn So Happy [NCS Official Video] Music provided by NoCopyrightSounds. Watch:    • Raven & Kreyn  So Happy | House | NC...   Free Download / Stream: http://ncs.io/SoHappyYO

Song: Giraffe Squad Wait For Me [NCS Release]
Music provided by NoCopyrightSounds.
Video Link:    • Giraffe Squad  Wait For Me | Trap | ...  
Download/Stream: http://ncs.io/WaitForMeCr

Song: Warrio Mortals (feat. Laura Brehm) [NCS Release]
Music provided by NoCopyrightSounds.
Video Link:    • Warriyo  Mortals (feat. Laura Brehm)...