The Morpheus Reference Classic Sub cable is a much improved version over the original highly regarded Morpheus Reference cable. Keeping with most of the original build qualities of the famous Morpheus Reference we have improved the overall performance with the new Morpheus Reference Classic. Featuring a unique blend of solid core Ultra Pure conductors of Gold, Silver, and Copper. Air and teflon are used as a dielectric. Improved frequency extension in the bass, mids, and treble with a transparent, detailed, airy, and palpable sound quality. The midrange is holographic, natural, and simply beautiful. Proudly Handcrafted in the USA.