This sounds like a neat idea: a speaker system made out of concrete blocks. Studio Dashdot inventor Daniel Ballou's concept separates the working parts from the heavy parts to reduce shipping costs. It's a sort of DIY kit that requires users to purchase the missing piece–the concrete cinder blocks. Cinder blocks have a naturally low resonance, which makes it the perfect medium to house the sound system.
According to Design Milk:
In development for over a year, Ballou has announced the Cinder Block is in its final stages to coming to market. The speaker kit willl retail for about $150 ...
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