I will not compare them to expensive speaker cables as I have not seen or heard of expensive speaker cables. Those are beautiful cables. Banana plugs fit snugly into my amp (PS Sprout 100) and speakers (NHT C3). The insulation seems good and quite heavy. I've been listening to my system a lot over the past week from a variety of sources (Bluetooth, Cassette, Vinyl and DAC). I don't hear any hum and am satisfied with the overall sound of my system. I didn't have any heartburn when I bought them and would buy them again if I needed more cables.
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