Sennheiser HD650 and iFi Nano-iDSD USB DAC for $500

We have a couple of bundles centered around the open-back over-ear Sennheiser HD650 headphones. First up, the 650s are bundled with the iFi Nano-iDSD USB DAC, together going for $500 with free shipping as a limited time offer at Adorama.com, an authorized dealer.