A new upcoming drop from Massdrop x Sennheiser featuring the HD 6XX. The HD 6XX are supposedly a new revision of the Sennheiser's old flagship model, HD 650, but set at a lower - consumer friendly price point. Although considered a revision, the HD 6XX shares the same lovable sound of the HD 650 as the driver structure and sound signature have not changed.
Specifications and reviews can be found on the provided links:
https://www.massdrop.com/buy/massdrop-sennheiser-hd6xx
http://www.head-fi.org/t/824703/sennheiser-x-massdrop-hd6xx-…
More details on the comparison can be found at Head-fi TV's review:
https://www.youtube.com/watch?v=pUKbI8p2bRk&feature=youtu.be
The deal becomes active on the 8th November 6:00am PT, and is limited to 5000 units (May change). The first 500 purchasers will receive a pair of headphones with a serial number under 550.
Inactive already?