Home Slickdeals Beyerdynamic DT 1990 PRO 250 Ohm Open Studio Headphones $399 + Free... Slickdeals Beyerdynamic DT 1990 PRO 250 Ohm Open Studio Headphones $399 + Free Shipping By ARCOM - 22 September 2023 16 0 SHARE Facebook Twitter Go to the deal page: Beyerdynamic DT 1990 PRO 250 Ohm Open Studio Headphones $399 + Free Shipping