Another consideration is EM noise. I use the 3.5 mm jack out on my monitor to small desktop amplifier (accepts both 3.5 mm and RCA). I get a buzzing type noise that is clearly audible at low levels through the speakers attached to the desktop amp or using the headphone jack on the same amp. The problem is my work notebook namely the screen. It emits something that is picked up by the 3.5 mm standard cheapie cable (probably just super thin three wires inside the cover). I bought the monoprice premium 3.5mm cable and it would appear that it uses two small coax cables as the conductors which did reduce the buzzing type noise that the previous "thin" cable picked up.