New Drop Customers: Massdrop X Sennheiser HD 6XX Open-Back Headphones (Midnight) $159 + Free Shipping

New Drop Customers: Massdrop X Sennheiser HD 6XX Open-Back Headphones (Midnight Blue) on sale for $159. Shipping is free. Deal Instructions: Go to MassdropX Sennheiser HD 6XX Headphones