Thumb Score: +23 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 Community Member BeigeRoad455 for sharing this deal. Deal Instructions:[LIST=1][*]Go to MassdropX Sennheiser HD 6XX Headphones