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White 18 AWG two-conductor speaker wire on a 1000 ft spool

Monoprice Inc.

Monoprice 116075 speaker wire 18AWG 2-conductor 1000ft white

SKU CH-5NA4-23E7F

18 AWG two-conductor oxygen-free copper wire on a 1000 ft spool, CL3-rated for in-wall residential installation

  • TypeOthers
  • Length304.8
  • Connector Number2
  • FeaturesBuy with Confidence: With Monoprice's Lifetime Warranty on a
  • Oxygen-free copper exceeds 99.95% purity for clean signal transfer
  • Two color-coded conductors simplify polarity identification during installation
  • CL3-rated jacket meets fire-safety codes for in-wall residential runs
  • 1000-foot spool covers whole-home audio without extra splices
  • 18 AWG gauge keeps resistance low across long cable lengths

18AWG CL3-rated speaker wire

This 18AWG speaker wire uses two conductors of 99.95% pure oxygen-free bare copper for low resistance signal transfer. Each conductor is colour-coded within a white CL3-rated PVC jacket that meets fire safety requirements for in-wall residential installation. The 1000ft reel suits whole-home audio wiring projects.

Check amplifier terminals and run lengths

Verify that your amplifier or receiver accepts bare wire connections or the connector type you plan to terminate. Measure each cable run to confirm the 304.8 metre total length covers all zones without excessive slack. Ensure local building codes permit CL3-rated cable for the intended in-wall paths.

Lifetime warranty and pure copper construction

Monoprice provides a lifetime warranty on the cable, backing the build quality for the duration of ownership. The pure bare copper conductors avoid the higher resistance of copper-clad aluminium alternatives, preserving speaker impedance characteristics. Colour-coded PVC jackets simplify polarity identification during installation.

Highlights

  • Oxygen-free copper exceeds 99.95% purity for clean signal transfer
  • Two color-coded conductors simplify polarity identification during installation
  • CL3-rated jacket meets fire-safety codes for in-wall residential runs
  • 1000-foot spool covers whole-home audio without extra splices
  • 18 AWG gauge keeps resistance low across long cable lengths

Specifications

BrandMonoprice
Model116075
TypeOthers
Length304.8
Connector Number2
FeaturesBuy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers.

Questions about this item

What comes in the box and do I need to buy connectors separately?

The package contains a 1000 ft spool of 2-conductor 18AWG speaker wire with colour-coded PVC jackets. No banana plugs, spade lugs or other terminations are included, so purchase those separately if your equipment requires them.

When should I choose this 18AWG version instead of a thicker gauge?

18AWG suits typical home-audio runs where the cable length and amplifier power are moderate; if you plan very long in-wall runs or drive high-power speakers, a lower-gauge (thicker) wire will reduce resistance.

How does the 99.95% pure oxygen-free copper affect real-world performance?

The high-purity bare copper conductors have about 68% more conductivity than copper-clad aluminium alternatives, lowering added resistance so the amplifier sees a load closer to the speaker's rated impedance.

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