9 conductor 18 gauge color coded car speaker cable. This is also referred to as 9 wire because it contains nine 18 gauge wires inside of one larger wire casing. This is very high quality wire that comes in a 20 ft section. This wire makes installations much easier because you can run one wire instead of 9! This can be used for wiring 4 speakers to an amplifier with ease and also many other applications. The 9th wire is blue and can be used as a remote turn on wire as well! This wire can even be separated to use in single conductor applications! The inside 18 gauge wires are all color coded so that you can match them up to make your installation easier. The wire colors are: White, White with Black Stripe, Green, Green with Black Stripe, Voilet, Voilet with Black Stripe, Gray, Gray with Black Stripe, and Blue. This is great wire that you will not be disappointed with!