Just received my Sennheiser HD 380 Pros after eager anticipation. However, I purchased them from a third party vendor on Amazon, Everythingdeals, but the order was fulfilled by Amazon. Upon searching their name, I noticed they were dealing fake Fiio amps even though they were an authorized distributor at some point (it doesn't look like they are anymore). Now I'm a bit worried and might send them back and just pay $20 extra to buy it directly from Amazon. Or am I being too paranoid? Thoughts?