BuyDig offers the BeyerDynamic DT 770 16-ohm Headphones for $179. Coupon code "TUNESTOGO" cuts that to $129. With free shipping, that's the lowest total price we could find by $71. Designed for Apple and Android mobile devices, they feature a single-sided cable, gold plated 3.5mm jack plug, 6.35mm adapter, Softskin ear cushions, and bass reflex system.