Ohm DT 990 Pro 250 headphones for sale. The headphones are self-explanatory, one of the best types of headphones and comfortable to wear for long periods. The headphones have been used for less than a month, are very clean, and have no defects. They come with their box, a bag, and an extra piece to connect them to a mixer, giving you the full 250 Ohm power of the headphones. Please do not undervalue the item. The headphones are like new and will be sold to the highest bidder.