The Best Subwoofer Cables - Galvin Power
2021-11-2u2002·u2002Another factor that keeps the sound quality of this subwoofer cable top-notch is its dual-layer shielding. The innermost part is an aluminum mylar, and the second one is of heavy braided copper. These two materials are essential to keep radio frequency interference out, especially when a bundle of sub cables collides.
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