Concrete Bluetooth Speaker

This was an experiment to create a Bluetooth speaker with a cast concrete case.Concrete is easy to cast and it's heavy, ideal for speakers, probably not for portable speakers, but this one sits on a bench and never moves. I made a mould to cast the concrete tube that forms the body of the speaker....
By: techydiy

Continue Reading »

from Instructables: exploring - featured https://ift.tt/2KZE4DK
via IFTTT