Suitable for Sennheiser HD25SP / HD222 / HD224 / HD230 / HD250 / HD250 Linear II / HD414 / HD414SL / HD420 / HD420SL / HD425 / HD430 / HD440 II / HD442 II / HD450 II / HD480 Classic / HD480 CL-II / HD480 II / HD490 II / HD520 / HD520 II / HD530 / HD530 II / HD540 / HD540 II / HD560 / HD560 II and other headphones can be used.
