MassDrop offers the AKG K812 Reference Headphones
for shipping. That's the lowest total price we could find by $518, although most stores charge around $1,500. These open-back headphones feature 53mm drivers, 1.5-Tesla magnets, copper-covered aluminum voice coils, a detachable cable, and frequency response of 5Hz to 54kHz. Deal ends October 6.
Note: The expected shipping date is October 16.