Monoprice via eBay offers its Monoprice Premium Hi-Fi DJ Style Over-the-Ear Pro Headphones in Black, model no. MEP-839, for $19.90 with free shipping. That's tied with the our mention from two weeks ago and the lowest total price we could find by $13. They feature a 3.5mm jack, two 3.5mm audio cables, and 3.5mm to 1/4" gold-plated adapter plug.