This is a speaker enclosure designed to work with the multi-board environment, meaning it will attach to your walls and add spaces for additional bins to attach to it. 

BOM:
2 - https://s.click.aliexpress.com/e/_oB0EJqW 15-60w 3 inch loudpseakers*

1 - https://s.click.aliexpress.com/e/_olIYq0A 52mm 15-20W Ultrathin Tweeter*

2 - 400W Speakers Filter Frequency Divider Treble Bass 2 Ways Audio Speaker Crossover High Power 3200Hz for Stage Speaker Upgrade - AliExpress 44  - or similar 3200 hz crossover

1 - https://s.click.aliexpress.com/e/_okqS36E 2 x 50w bluetooth amplifier.

12 - m3 x 6 

4 - m3 x 12

4- m3 nuts

12 - m3 heat set inserts

2- m5 x 12

2- m5 heat set inserts

Bluetak or similar sealing material

*Bolts can be found here to purchase all at once : https://s.click.aliexpress.com/e/_omc6KRy

*Heat set inserts here - https://s.click.aliexpress.com/e/_oDEjowa

Instructions:

Print box & lid with max walls for solid infill

The port needs to bolt in and be sealed to the box - all other holes are to be heat set inserted. 

Face plate can be glued or blutaked in place.

drill 2 5mm holes on the side of box you're not using for attachments for m5 bolts to pass through to attach speaker wire to. (Johnathan from The Next layer used a single barrel plug connector for this.)

*These are affiliate links that help fund the continuation of free STLs on my page. using them is greatly appreciated. 

Video Link: