Sennheiser HD 600 Open-Back Pro Headphones + $150 Amazon gift card: $400 shipped ($550 value)

Amazon is now offering the Sennheiser HD 600 Open Back Professional Headphones with a free $150 Amazon gift card for $399.95 shipped. With the value of the GC, we are essentially getting the headphones for $250. They still fetch the full $400 from just about all trusted retailers. Today’s deal is $1 under the lowest we have ever tracked on these high end cans and the best price we can find by over $100.