Beyerdynamic 981209 1/4 inch TRS Male to Threaded 3.5mm TRS Female Headphone Adapter | Sweetwater
Beyerdynamic DT 770 Pro 80 ohm Closed-back Studio Mixing Headphones Bundle with Beyerdynamic BeyerHPAdapt Threaded 1/4-inch Headphone Adapter | Reverb
beyerdynamic Headphone Adapter Screw M5 – Thomann United States
Amazon.com: 2PCS HD280 HD212, HD 477, HD 497, EG 350 6.35mm Stereo adapter with screw compatible for sony 7506, ATH-M50X AKG K240 solo studio headphone,Beyerdynamic DT-990 Behringer HDX6000 : Musical Instruments