https://drop.com/buy/massdrop-sennheiser-hd6xx

Drop has for New Drop Customers: Massdrop X Sennheiser HD 6XX Open-Back Headphones (Midnight Blue) on sale for $ 179 – $ 10 = $ 169 when you follow the deal instructions below. Shipping is free.

Thanks to Deal Hunter reptarSnax for sharing this deal.

Deal Instructions:
Go to MassdropX Sennheiser HD 6XX Headphones
A pop-up will appear after scrolling down the webpage offering $ 10 off your first order on qualifying products (must use a new email address to signup)