Home Slickdeals Sennheiser HD 600 Audiophile Hi-Res Open Back Dynamic Headphones – $262.61 +... Slickdeals Sennheiser HD 600 Audiophile Hi-Res Open Back Dynamic Headphones – $262.61 + F/S – Amazon By ARCOM - 24 February 2023 39 0 SHARE Facebook Twitter Go to the deal page: Sennheiser HD 600 Audiophile Hi-Res Open Back Dynamic Headphones – $262.61 + F/S – Amazon