Connect it Phono E RCA The Connect it E Phono features "dual twisted pair" technology with a 100% foil shield for rejection of EM and RF interference the types of interference that cause hum and buzz in your system. Dual twisted pair construction consists of two identical conductors for positive and negative signals that are tightly wrapped around each other. This enables excellent noise rejection that wouldn't be possible with ordinary cables. Connect it E Phono cables with RCA connectors benefit from high-conductivity connectors for a tight fit that won't come loose when you move your equipment. These RCA connectors are 24k gold plated for optimum signal transfer and corrosion resistance.