Mini Bass Speaker

This is my new speaker design. It is an addition to my voight pipe speaker designs

Lower hole can be left open or covered with a flexible diaphram for better bass sounds.
Works fine with 40mm standard drivers found in many mini mp3 player.


Check the link for a video of the first two prototypes of a previous design working
https://www.instagram.com/p/Be-v4EJHh3Q/