University of Salford spinout Carbon Air has closed a funding round led by Mercia Fund Managers.

Carbon Air, a UK-based advanced materials spinout from University of Salford, raised £635,000 ($850,000) in a funding round led by investment firm Mercia Fund Managers on Monday.

Founded in 2012, Carbon Air has figured out how to use a highly-porous material called activated carbon – or activated charcoal – to create miniature speakers and very thin sound insulation.

Activated carbon is widely used for water filtration system, boasting a unique structure that enables it to absorb vast quantities of air.…