Monoprice Nimbus Series 18AWG 2-Conductor CMP-Rated Speaker Wire 1000ft

Monoprice Nimbus Series 18AWG 2-Conductor CMP-Rated Speaker Wire 1000ft

Marsoni

M251S

$117.22

Get it in 3 business days with 1 day shipping. Friday, May 29

Monoprice Nimbus Series 18AWG 2-Conductor CMP-Rated Speaker Wire 1000ftNimbus Series 18AWG 2 Conductor CMP Rated Speaker Wire, 1000ft Monoprice Plenum Speaker Wire is designed to meet the most stringent standards of safety for both residential and commercial applications. The fire retardant cable jacket has been tested by Underwriters Laboratories and bears the CMP plenum air space safety rating, making it ideal for use in any situation. Available in a variety of lengths and gauges, you can choose two conductor versions,

Easy Shipping

Quick Dispatch:

Your Monoprice Nimbus Series 18AWG 2-Conductor CMP-Rated Speaker Wire 1000ft orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your Monoprice Nimbus Series 18AWG 2-Conductor CMP-Rated Speaker Wire 1000ft ships.

Need Help?
Questions about Monoprice Nimbus Series 18AWG 2-Conductor CMP-Rated Speaker Wire 1000ft, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Monoprice Nimbus Series 18AWG 2-Conductor CMP-Rated Speaker Wire 1000ft in your area.

Get Shipping Estimates

Country Zip/Postal Code

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

If electricity had highways, this would be an interstate. The cable feels substantial, the copper conductors are flexible enough to work with, and the included lugs and heat shrink tubing make installation easier. Great for batteries, inverters, solar systems, RV electrical upgrades, marine projects, and welding setups. Voltage drop stays low thanks to the heavy gauge construction, and the insulation feels durable enough for demanding environments. Overall, a solid wiring kit that inspires confidence when moving serious current.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 31, 2026

Drew

Carnegie, US

★★★★★ 5

Great cable kit.

Size: 20FT Black & 20FT Red, Size: 20FT Black & 20FT Red

Great heavy duty cable. Good thick feeling insulation that looks the real deal. Wire is soft enough to route easily without too much resistance. Appreciate it coming with the lugs and heat shrink instead of you having to source extras. Seems to be truly copper as listed. Great deal for the length if so. Worked for what I needed on my UTV.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on June 1, 2026

Rachel H.

New York, US

★★★★★ 5

Cheap price for the cable and terminal ends with heat shrink.

Size: 20FT Black & 20FT Red

Good 6 gauge wire, jacket seems sturdy and like it won't crack easily over time like some wire. Comes with all the connectors shown too so you don't need to find end ring connections to terminate the ends. Just need a punch or crimp tool for the terminals but if you already have that then just cut your wire length and add the ends for battery cable.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 29, 2026