You don’t really give enough details. Gold connectors in and of them selves don’t do much except they don’t oxidize.
A good quality connector will be better than a cheap connector that’s gold plated. Some gold plating will be better than others, the actual material the connector is made of is more important than just being gold plated. The physical design of the connector is more important than the gold plating.
Plus gold can be plated on so thin that it doesn’t actually add to the cost it just improves the appearance.
yeah cost mainly.A lot of gold connectors are no better than nickel plated connectors which will not corrode either though many have a horse *** dielectric.
any of the "hardplate" shiny metal connectors are fine if from a known manufactuere.It is the generics that get you into trouble and even though have a flash plating of gold are many times no better than the el cheapos at radio shack with no speacial plating
Different connectors have various impedance/sound.
In general, it is said to be better to match to the same con where the cables are plugged into. Meaning if the sockets are gold-plated, use gold-plated cables and so on. ( I think this is something to do with keeping the impedance low )