Light source and soundproofing in one from Ateljelyktan.
Hood has a modular system and can be used both as a stand-alone luminaire and in linear systems. It is most often used in office premises, as it has the function of additional sound insulation.
The material is packed in multisub. All colors in this order:
1) ID 1 - light gray
2) ID 2 - dark gray
3) ID 3 - terracotta
4) ID 4- navy
5) ID 5 - blue green
Official site:
https://www.ateljelyktan.se/products/luminaires/hood-pendant 

Replica in size 600x600mm:
https://artlightstore.ru/ne-svet/decor/bell-1