Beyerdynamics Custom One Pro Plus headphones on sale from newegg right now until Monday the 23rd.
Black is $119.4 with promo code 71019CBS40
White is out of stock now through Newegg but was $125 after promo code. May be back in stock before Monday.
Cheapest I can find that they've ever sold for new anywhere. If you prefer Amazon, the black is on sale there for a little bit more at $129 + tax most places.