Home Headphones Newegg Shell Shocker Deals: Beyerdynamic DT 990 250 Ohm PRO Studio Mixing... Headphones Newegg Shell Shocker Deals: Beyerdynamic DT 990 250 Ohm PRO Studio Mixing and Mastering Headphones $134 By ARCOM - 15 June 2021 60 0 SHARE Facebook Twitter Go to the deal page: Newegg Shell Shocker Deals: Beyerdynamic DT 990 250 Ohm PRO Studio Mixing and Mastering Headphones $134