Home Slickdeals Beyerdynamic DT 770 Pro 250 Ohm Studio Reference closed Closed Back Headphones... Slickdeals Beyerdynamic DT 770 Pro 250 Ohm Studio Reference closed Closed Back Headphones $129 w/ Free Shipping By ARCOM - 19 August 2021 78 0 SHARE Facebook Twitter Go to the deal page: Beyerdynamic DT 770 Pro 250 Ohm Studio Reference closed Closed Back Headphones $129 w/ Free Shipping