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Speaker Cable
Modern speaker wire consists of two or more electrical conductors individually insulated by plastic (such as PVC, PE or Teflon) The two wires are electrically identical, but are marked to identify the correct audio signal polarity.
Most of the best speaker wires are made from pure copper, since copper is a wonderful conductor of electricity. For the best quality cable, use 100% copper.
Also can be used for low voltage security, intercom and automation solutions
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