Err, am not sure what to comment. Just that if i am the buyer, basically rather than go through the seller, i would go to the distributor directly to claim my warranty given that the seller permits that. Like in this case, where seller had instructed the buyer to send the product directly to senheiser. Because it would mean that i get to know what is the real problem first hand. No hidden agenda or plot. You know, when information get passed on from 1 hand to another hand, some of the infos might get lost and it might lead to further misunderstanding situation. After all, what's the true meaning of having the warranty card if you do not abuse them correctly

So, to buyer, i advise you to straightly consult with the distributor. Religiously speaking, take your product as having a 'life' inside it. If you have a child, and that child is sick after 2-3 days being born onto this world, you will seek the doctor to settle or to clarify things for you or you will seek guidance from the God the All-knowing and All-mighty? If i were you, i will seek for Gods'. Doctor know nothing. His job to help in giving birth to the baby is done.
Second, @Davis, as seller may be in the future you should elaborate more on the warranty part of your products. Sometimes a phrase "3 years warranty from distributor" and "3 years warranty from distributor. Please contact distributor directly for RMA issue" will make a whole lots of difference in its meaning and interpretation.
Third, to all buyers, please remain cautious all the time. Don't just read an adds and decide to buy it straightly. Always ask how the warranty procedures work. And mind you, as for me, i always ask the seller or the distributor to open the box and check for everything before attempting any delivery. Getting an opened box is better rather a sealed box imho