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Black 18AWG speaker wire on spool, two color-coded conductors in CL2-rated PVC jacket

Monoprice Inc.

Monoprice 141394 Speaker Wire 18AWG 2-Conductor CL2 1000ft Black

SKU CH-8P5F-S2BNT

Two-conductor 18 AWG speaker wire with 99.95% pure oxygen-free copper conductors and a CL2-rated PVC jacket for in-wall installation, supplied in a 1000 ft reel

  • Connector count2
  • Product typeOthers
  • Product colorBlack
  • Overall length304.8
  • Key featuresTwo conductors made of high purity (greater than 99.95 perce
  • High-purity oxygen-free copper (99.95%) delivers lower resistance than CCA alternatives
  • CL2-rated PVC jacket meets in-wall fire safety requirements for permanent installs
  • 1000 ft / 304.8 m spool provides ample length for whole-home audio runs
  • Colour-coded PVC on each conductor enables quick polarity identification during setup
  • Two-conductor 18 AWG design suited for standard home speaker connections

Speaker wire for home audio systems

This 18AWG speaker wire uses two conductors of 99.95 percent pure oxygen-free bare copper. It suits installers and enthusiasts who want low resistance between amplifier and speakers. The CL2-rated black PVC jacket allows in-wall installation. Buyers needing thicker gauge for very long runs or higher current should choose a different wire.

Conductor purity and gauge

Each conductor exceeds 99.95 percent copper purity, avoiding the 68 percent conductivity of copper-clad aluminium alternatives. The 18AWG size keeps resistance low so the amplifier sees the speaker’s true impedance curve. Colour-coded PVC on each conductor makes polarity identification straightforward during installation.

Behaviour on sustained signals

Pure bare copper maintains consistent resistance during extended playback, preventing the impedance shift that CCA wire introduces as it warms. The CL2-rated outer jacket resists degradation from continuous heat exposure inside walls. Over 1000ft or 304.8m the low resistance stays stable, so amplifier loading remains predictable even at high volumes.

How it compares

Measured against everything we stock in Speaker Wire & Speaker Cables, at today’s prices. Recalculated every night.

Price $259.99
Pricier than about 91% of the 295 comparable items (median $38.99).

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Specifications

Product
Brand nameMonoprice
Model name141394
Product typeOthers
Product colorBlack
Ports & slots
Connector count2

Questions about this item

How does 18AWG pure bare copper wire affect real-world speaker performance?

At 18AWG the oxygen-free 99.95 percent pure copper keeps resistance low so the amplifier sees the speaker's true impedance curve without added loss.

What does the CL2 rating on the PVC jacket allow for installation?

CL2 rating means the cable meets fire-safety requirements for in-wall and ceiling runs in residential buildings.

What physical space does the 1000ft spool of 18AWG 2-conductor cable need for storage or mounting?

The spool holds 304.8 metres of black PVC-jacketed twin-conductor wire; allow room for the reel diameter and pulling tension during installation.

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