3D Printed Bluetooth Speaker with Multi-Directional Stereo Sound

This speaker features four 1.5inch drivers at a 90-degree angle to each other, two left channels and two right channels, this way the speaker will produce a stereo sound no matter the direction you listen from, consequently emulating a 360-degree stereo sound.
The speaker also features two passive radiators confined to two separate enclosures inside the speaker.


Watch video - https://youtu.be/ok70Il5CRR8

Circuit diagram - https://drive.google.com/open?id=1kEMBpG0BEwY0vnrUJX-53PiAddJggf-