Master & Dynamic's concrete speaker is part art piece, part room shaker - The Verge
Making Concrete Speakers - by SoundBlab - YouTube
concrete speakers - Lewis Kemmenoe
Concrete Speakers
25 Concrete Speakers that Promise Best Acoustics and Longevity | Speaker projects, Concrete diy, Concrete diy projects
BRUTALIST-Lab - Introducing MONOLITH, the first concrete speaker in the world with terrazzo surface. The simple, minimal and ancient monolith design is a traditional pair of passive speakers with 3-inch drivers and