This worked when I was short of a few feet in my cable runs. I didn't want to loosen all the wires that are hiding and going through the car's panels and door panels, so I went with these and another set of RCA wires. These extensions have done their job. Just be careful they don't touch metal if you hide them under a carpet or near a car frame. My speakers sound fantastic and I don't hear any loss of quality even with long cables to the amplifier. Excellent article
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