The official Beats by Dr. Dre refurbished eBay store offers the Mixr headphones for $179.95 with free shipping, which is $80 below the retail price for a new pair. Features include rotating ear cups, a flexible housing/headband built to withstand the rigors of DJ life, and industrial strength sound. Available in white or black. Rated 4 out of 5 stars.
If you are in the market for any other audio gear be sure to browse the entire refurbished store as many of their most popular speakers and headphones are available at deeply discounted rates. All of these items include a 30-day warranty from Beats.