This unit is a new Mk3 T40 single ended set with (new) protein pads. The T40 Mk3s are modified to sound the same as our T50 Mk3 Argons and are visibly the same except for the small sticker on the inside of the headphones. Order will include a single ended cable and strap of your choice (deerskin by default). This unit is being sold for 10% off.