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Black 14AWG speaker cable on spool, two colour-coded PVC conductors in CL2-rated jacket

Monoprice Inc.

Monoprice Inc. 141375 Speaker Wire 14AWG 50ft Black

SKU CH-T2CX-ZFA5K

Two-conductor 14AWG speaker wire with oxygen-free copper and CL2 rating for in-wall use

  • TypeOthers
  • ColorBlack
  • Length15.24
  • Connector Number2
  • FeaturesFeatures two conductors made of high purity (greater than 99
  • High-purity oxygen-free copper delivers clean signal transfer
  • 95% pure conductors minimise resistance for accurate sound
  • CL2-rated jacket meets fire-safety codes for in-wall runs
  • Colour-coded PVC insulation simplifies correct polarity connection
  • 50 ft length suits typical home-theatre speaker placement

Monoprice 14AWG Speaker Wire 50ft

This 14-gauge speaker wire uses two conductors made from oxygen-free bare copper with a purity greater than 99.95 percent. The conductors are colour-coded inside a black CL2-rated PVC jacket for in-wall installation. It is suited for home audio systems that need a long, code-compliant run between amplifier and speakers.

Sustained signal transmission

Pure bare copper keeps the cable resistance low so the load on the amplifier stays close to the speaker impedance curve across the full frequency range. The supplier notes that copper-clad aluminium wire is only about 68 percent as conductive, adding resistance that can alter the sound. With 14AWG conductors the voltage drop remains minimal even over the full 50-foot length.

CL2 rating and resistance limits

The CL2 rating means the cable meets fire-safety and insurance requirements for installation inside residential walls. For no audible effect the total wire resistance should not exceed 5 percent of the speaker's lowest impedance, which can dip to 4 ohms even on nominally 8-ohm models. Buyers needing longer runs or lower gauge should consider a thicker wire.

Highlights

  • High-purity oxygen-free copper delivers clean signal transfer
  • 95% pure conductors minimise resistance for accurate sound
  • CL2-rated jacket meets fire-safety codes for in-wall runs
  • Colour-coded PVC insulation simplifies correct polarity connection
  • 50 ft length suits typical home-theatre speaker placement

Specifications

BrandMonoprice
Model141375
TypeOthers
ColorBlack
Length15.24
Connector Number2
FeaturesFeatures two conductors made of high purity (greater than 99.95 percent pure), oxygen-free bare copper.

Questions about this item

Does the 14AWG pure copper construction keep resistance low enough for long runs at full volume?

The two 14AWG conductors use 99.95 percent pure oxygen-free copper, which is far more conductive than copper-clad aluminium and keeps added resistance well below the five-percent guideline for typical speaker impedances.

What terminals or connectors do I need on my amplifier and speakers to use this wire?

The cable has two bare conductors with colour-coded PVC jackets, so you only need binding posts, spring clips or banana plugs that accept bare wire — no proprietary connectors are required.

Can I run this CL2-rated cable through walls alongside older in-wall speaker cable?

Yes, the black CL2-rated PVC jacket meets fire-safety requirements for in-wall residential use and can be installed next to existing speaker wiring without issue.

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