Up for sale are my 600 ohm Beyerdynamic DT880 headphones with a professionally done cable connection mod that allows the use of any cables with a 3.5mm connector on the headphone end of the cable. The original headphone comes with a fixed cable.
The mod was done by Demevalos:
https://www.etsy.com/shop/demevalos?ref=shop-header-name&listing_id=684442635&from_page=listing

Phones are in good used shape.. no scratches or dents with pads in decent shape.
Sound splendid, especially with balanced cable.
I can include a single ended cable with the purchase if you prefer.
PP and Shipping on me, to the lower 48.