Desktop open baffle speaker. You can get these drivers off of eBay and are said to sound good.
Risultati immagini per open baffle diy
Check out this item in my Etsy shop https://www.etsy.com/listing/471750097/pill-earrings-pastel-goth-happy-pill
old Rover V8 engine block. Awesome concept and definitely goes a long way to help keep crap out of the trash pile
open baffle speaker forum - Google-Suche