The Prime M3 Interconnect cable begins with a simple extrusion of Polyethylene around the conductors. The Prime M3 is a smaller diameter cable with a more neutral tonal balance. It is also well matched with any consumer brand audio equipment. The Prime M3 provides high-frequency extension with natural sounding high frequencies along with punch and detail in the mid-range and lower frequencies. This is an interconnect cable with excellent resolution that can be used with a wide variety of audio components.The RSC Prime audio cables use SA-OF8N copper conductors. (Super-Annealed, Oxygen-Free, Mono-Crystal, Frequency-Tuned, 8-Nines-99.999999% copper conductors) All cables have: hand-polished conductors and are handmade per order in Ashland, Oregon, USA. The RSC Prime – is lifetime guaranteed. The cables arrive in a poly bag with box.