Thumb Score: +6 Drop has for new drop customers the 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. Deal Instructions:[LIST=1][*]Go to the store page linked here: https://drop.com/buy/massdrop-sennheiser-hd6xx[*]A pop-up will appear after scrolling down the webpage offering $10 off your first order on qualifying products with signup.