30' ft Red/Black 20 Gauge SPEAKER WIRE Cable ~ Home & Car Audio Stereo System Wiring ~ 12V DC Power/Ground Hook Up Wire Red & Black PVC jacketed high-quality 2 conductor stranded SPEAKER WIRE. Popular wire that's been used for years when wiring home and car audio systems and electronics. It can also be used for a power & ground for 12 volt accessory items. It's a copper clad design and provides an excellent and reliable signal transmission. This wire is hand rolled and bulk shipped from a large roll to save you money and does not come with retail packaging or instructions. It is specifically designed for installation shops and industry professionals. If you don't like my wire for any reason I'll pay for return shipping and give you an extra dollar for your trouble! Important! Wiring should always be done by qualified installers. Don't buy if you are not sure what you're doing. Always make sure you get the correct size wire for your needs. Look in my store. I have many sizes available and will custom cut any length you need. Just ask. Thinner wire is OK for lower powered applications and short runs. Use thicker wire for higher powered installs and long runs. Remember the larger the number (gauge) is the thinnest or smaller size wires. 22 gauge is smaller than 20, 20 is smaller than 18, etc. Here's a good general rule when buying wire: 24, 22, 18 gauge is on the thinner side and for the lowest power applications. 16 & 14 gauge is a little thicker and for low to medium power applications. 12 & 10 gauge is even thicker and for medium to higher powered applications. 8 & 4 gauge is much thicker for higher powered 12V DC power applications. 2 gauge and larger is very thick for the highest powered 12V DC power applications. Thanks for checking out one of my items. I have been in the wholesale business for over 20 years. Anything you find here will be some of the best deals around. If you don't agree it's pretty simple, I will pay for return shipping so you have nothing to lose. And even give you an extra dollar for your trouble. Quantities are limited and many items are sold out when gone. I appreciate your business! ~Billy D.~