Lehnsherr

I see thanks alot

is it the number in the art.-Nr/cat. No./N ref. box?

upz.. anyone help me? tell me where is the serial number of PX200 located thanks. Need to submit the warrenty card

I just brought this headphone and had some problems where is the serial number located and what do I put as the product name for the warranty card Thanks alot to whom can help me

hmmm very well thanks

I am new in such things and is deciding between the PX-200 and ATH-ES5.... hmm you mentioned mid-range...what kind of music belonged to mid-range freq?

Comparing it with the PX200, which one leaks more sound?