GearIT Speaker Wire Audio Cable CCA 2x4mm≤ (15.24 Meters - White) Copper Clad Aluminum - Great for Hi-Fi Home Theater and Car Speakers - 12 Gauge AWG, 50 Feet

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Here, AWG stands for American Wire Gauge. As the name implies, this is a standardized system used to measure the diameter of all types of wires. This isn't a new system, either; it's been in use since the 1800s.

Speaker Wire Gauges Explained: Which Do You Need? - How-To Geek

When using 8-ohm speakers, it is recommended to use 16 AWG wire for runs of up to 48 feet and 10 or 12 AWG wire for routes of up to 200 feet. COPPER CLAD ALUMINUM (CCA) - CCA wiring provides a good conductor for transmitting audio. This is the most economical option when choosing speaker... Most of the best speaker wires are made from copper, since copper is a wonderful conductor of electricity. For the best quality wire, looking for something made with 100% copper is highly recommended. However, if you’re looking to save a bit, copper-plated or copper-clad aluminum wire is a fine substitute, and there is no noticeable difference in sound quality.

Plugging in a speaker is fairly simple: plug one positive and negative pair of wires into your amplifier or A/V receiver, then plug the other pair into your speaker. What is actually happening to carry the sound of the music you're listening to from your source to your ears is more complicated.

Speaker wire guide - Crutchfield Speaker wire guide - Crutchfield

follow the rise and fall of its own impedance curve. This is particularly more prominent in some class D amplifiers whose response changes more significantly with varying load impedance. once you attach a real world amplifier (non zero output impedance) and loudspeaker (reactive load), the overall systemSpeaker wires that stay connected to speakers and amplifiers for many years can also be affected by oxidation. Oxidation of the copper in such speaker wires can occur at the connector points as well. Due to this, it is recommended that you unplug and re-plug your wires once in a while. If you're having that trouble, just switch the + and - cables on one of your speakers (so, the + cable to the - terminal, the - cable to the + terminal). This is a very rare occurrence, however, and inverting the phase of your speakers isn't recommended if everything sounds good. Speaker wire can’t be too long, in the sense that it won’t negatively affect your sound quality. It’s even advisable to get cables that are a bit longer. However, they can get in the way if they’re too long, so you’ll want to avoid that. For most users and for most purposes, 16 gauge wire is more than enough. Your home theater is probably not big enough to warrant really long cables, so there’ll be no loss in sound quality even if you use thinner wires. Plus, they’ll be cheaper, so you’ll save a little bit of money. Not all speaker wires are the same, and if you’re installing a professional-level sound system, built for professional experiences (say for a studio or live venue), then you’ll want spend the money for premium parts. However, if you are simply installing a sound system for home or mobile use, then most any speaker wire will do just fine.