[AmberOzL]

Where can I find high level custom cables for these cans? if possible in Europe would be much better. I am not looking for the ones Beyerdynamic shows in their official website. I am looking for high end sounding cables. There are many many many for IEMs and all but we 'over ear headphones' lovers are kinda recessed in this area.
 
Also not for me but for my friend, he was looking for audiophile level cables for Senn. Amperior. This one would be better in Europe too.
 
Local audio shop in Belgium I wish, but it is hard to find so I say online shops are welcome too. If none in this area, international suggestions, advices are welcome too.
 
Thank you for all replies guys.