L Applicable Models: for Beyerdynamic DT770 DT880 DT880PRO DT990 DT990PRO DT531 DT690 DT811 DT911 DT931; AKG K240, K240S, K240 Studio, K240 MKII, K241, K270, K271, K271S, K272; Tianlong D2000 D5000 D7000.
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