I have a pair of MK012's and K is for Keen...Massive Master said:Now, it could just be quality control, but I have a set of MC012's and they sound very (C for Clear) CLEAR.
An associate has a set of MK012's and they sound very (K for...) KRAPPY.
Again, could be QC - Just my $0.02
John Scrip - www.massivemastering.com