BeyerD DT-990 PRO (250 ohm) with iFi Nano iDSD for $270

If you are a fan of Beyerdynamic and DSD, there’s a bundle of potential interest at Adorama.com, the Beyerdynamic DT 990 Pro (250 Ohm) open-back over-ear headphones, along with the iFi Nano-iDSD PCM/DSD/DXD USB DAC (battery powered) for $270 with free shipping (ships in a couple of business days, not immediately). No coupon is needed, simply add to cart and continue with the checkout process. More details on the iFi through its product page over there. Offer ends 2/16/16.