Price dropped further from $494.23.
Copy pasta description:
Features
- All New Innovative Headband Design for an Accurate Fit and Increased Comfort
- All Aluminium Ear Enclosure
- Newly Developed Diaphragm that is 80% Thinner than HE400 Series Resulting in a Wider Frequency *Response Faster and More Detailed
- Frequency Response: 6Hz - 75kHz
Cheapest I have ever seen them from memory. These are very well regarded as one of the best headphones in this price range.