When we reported on Master & Dynamic’s entry into the world of ultra-premium wireless speakers back in April, we were intrigued most of all by the MA770’s provenance and by the materials it utilises. After all, not every company devises its own concrete hybrid material or partners with recently knighted architects to deliver such a bold visual statement.
Design and build
So yes, the MA770 is made entirely of a concrete composite developed by Master & Dynamic. Because of its sculptural angles and curves, each speaker is cast in a ‘soft’ mould that lasts for only four or five pours before it needs to be replaced.
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https://www.whathifi.com/master-dynamic/ma770/review