1. Asahi Templar

    For Sale- Koss Pro4s Closed Back Headphone

    Up for your consideration is a Koss Pro 4s studio closed back headphone. This is one of Koss highest end headphones and was designed for studio usage. It sells new for 139.99. It includes a great lifetime warranty and is easily the best built modern Koss headphone. It is quite nice sounding...