The Beyerdynamic PS 23956 is a pop stopper.
The Beyerdynamic PS23956 can be used with the Beyerdynamic M 99, MC 840 and MC 834.
Beyerdynamic PS 23956 Popper Stopper for M 99 MC 840 and MC 834 (code 59669)
Popper Stopper for M 99 MC 840 and MC 834
£33.59 (inc vat)