Home Slickdeals Sennheiser HDVA600 Headphone Amplifier + Beyerdynamic DT-880 600 ohm Premium Headphones... Slickdeals Sennheiser HDVA600 Headphone Amplifier + Beyerdynamic DT-880 600 ohm Premium Headphones $799 + free shipping By ARCOM - 1 October 2017 264 0 SHARE Facebook Twitter Go to the deal page: Sennheiser HDVA600 Headphone Amplifier + Beyerdynamic DT-880 600 ohm Premium Headphones $799 + free shipping