It is my understanding than Sony has discontinued their excellent MDR7520 professional headphones because they can be played "too loud", according to new European guidelines.   The 7520's are very sensitive, quoted by Sony as 108 dB and a high Power Handling Capacity of 4,000mW, so yes, they...

I recently paid £80 for a pair of second hand Sony MDR-7509HD headphones off Ebay. I am aware that there are many fakes around so I was cautious, but the seller produced an invoice from a registered Sony dealer stating he bought them in 2007 and are genuine Sony. However, after reading all the...