High-Quality 18AWG CL2 Rated Oxygen-Free Copper Speaker Wire – 100ft Black

Maximize your home audio system’s potential with Monoprice’s premium oxygen-free pure bare copper speaker wire. This high-quality 18AWG speaker wire features two conductors made from high-purity (over 99.95% pure) oxygen-free bare copper, outperforming the copper-clad aluminum (CCA) found in cheaper alternatives. CCA is only about 68% as conductive as pure copper, adding resistance that can negatively impact sound quality. To keep the wire’s impact on sound negligible, its total resistance should not exceed 5% of your speakers’ lowest impedance. Even 8-ohm rated speakers can dip to 4 ohms at certain frequencies, further emphasizing the need for low-resistance wiring. By using pure bare copper speaker wire, you keep the load on your amplifier as close as possible to your speakers’ impedance curve. Each conductor is color-coded with PVC for easy polarity identification, and the entire cable is jacketed in CL2-rated black PVC. The CL2 rating signifies compliance with fire safety standards and insurance requirements, making it safe for installation within residential building walls.

Product Highlights

• Two high-purity (99.95% pure) oxygen-free bare copper conductors for superior sound.
• Pure bare copper is a better conductor than the CCA used in most budget speaker wires.
• Minimizes the load on amplifiers, staying true to the speaker’s impedance curve.
• Easy polarity identification with color-coded PVC on each conductor.
• CL2 rating for safe in-wall use in residential buildings, meeting fire safety and insurance standards.