Sennheiser HD 650 + Apogee Groove DAC/Amp for $500

We have another “combo deal” from Adorama, this time they have bundled the Sennheiser HD 650 headphones + Apogee Groove DAC/amp, together for $500 with free expedited shipping. No coupon, no rebates, just add to cart and proceed. The Apogee is a USB-input device, with old-school remote-control-style volume-up and volume-down buttons.