Read the "http://www.audioholics.com/reviews/cables/ram-i-extreme"Review from Audioholics. All Silver soldered connections. Silver plated Teflon insulated conductors to limit negative effects of oxidation Dual, Tight Twisted Pairs for superior noise free performance. Extremely low Capacitance for excellent frequency response. All contacts are Professionally Silver Soldered with medical grade silver solder Quality RCA Connectors with Gold Plating. Strong Strain Relief on both ends for durability. Stereo mini plug 3.5mm (1/8") to dual RCA connectors.