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It pays to install high-quality in-wall wire — you don't want to tear into your walls to replace it later on. This Monster in-wall speaker cable is THX-certified, ensuring consistently smooth, clear, full-range sound. Its high-quality build includes ultra-fine, high-purity copper strands that offer increased flexibility and maximum conductivity. Plus, twisted pair construction minimizes problems associated with radio frequency and electromagnetic interference.

Designed for easy installation
Monster created their in-wall cables with the installer in mind. Sequential footage markers simplify measuring. A special "rip cord" allows you to quickly pull apart the jacket to strip the wires. And the low-friction jacket makes these cables easier to pull through your walls.

Keep your home and family safe with in-wall-rated speaker wire
When you're running wire inside your walls, it's important that you use speaker cable that's approved for in-wall runs. This cable's CL3 certification means it passed safety tests administered by the Underwriters Laboratory (UL). The UL looks at heat generated from current flowing through wire, how quickly the cable will catch and spread fire when exposed to flame, and the wire's susceptibility to damage from external stresses. Also, be sure to check your local building and fire code and buy wire accordingly.

Product Highlights:

  • UL-rated for in-wall installation
  • high-purity copper for high-integrity signal transfer
  • twisted pair construction combats noise and outside interference
  • EZ-Strip rip cord for quick jacket removal
  • sequential footage markers printed on jacket for accurate cable measurements during installation
  • wide dynamic range and improved bass response
  • lifetime warranty

Monster Cable 14-Gauge In-Wall Speaker Cables Reviews

Average Customer Review:

6 reviews
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worth every penny

Written By Adam, College Station, TX on Tuesday, March 03, 2009

Crutchfield Customer Review (What's this?)

This cable was really easy to work with. No kinks, no tangles, easy to get straight for fishing down through the wall. Crystal clear as well.

Great Cable

Written By John, Huntsville, AL on Wednesday, November 12, 2008

Crutchfield Customer Review (What's this?)

Great cable to work with. It was really easy to nake through the attic, NO TANGLES! Oh yeah, it sounds great also.

Monster Cable 14-Gauge In-Wall Speaker Cables

Written By Chris, Maine on Tuesday, November 11, 2008

Crutchfield Customer Review (What's this?)

Easy to use, clear signal transmission.

Excellent speaker wire

Written By Shan, Fairfax, VA on Saturday, July 26, 2008

Crutchfield Customer Review (What's this?)

I bought this 14 gauge wire and installed in wall. Sound quality of speakers is very good. Earlier i heard music with wires that came with speaker and there is a lot of difference. THis wire is very good quality

Excellent in-wall wire

Written By Mr. Harrower, White Bear Lake, Minnesota on Tuesday, February 06, 2007

Crutchfield Customer Review (What's this?)

Truely a tangle free wire that was very easy to route through existing walls. Excellet price and delivery from Crutchfield.

Great Cable!!!

Written By Henry, Olympia, WA on Tuesday, February 06, 2007

Crutchfield Customer Review (What's this?)

This is one of the easiest cables I have ever worked with! Was able to easily "fish" it thru walls due to it's supple (yet tough) outer insulation that is silky smooth.

Since installation, this cable has performed flawlessly! Does a great job of passing a strong, clean audio signal.

I HIGHLY RECOMMEND THIS CABLE for any in-wall and/or under-house audio installations!

Hands-on research

What's in the box?

  • One 500' roll of CL3/UL rated speaker cable (14AWG). Wire does not come with connectors.

Product Research


  • Smooth jacket makes the speaker cable incredibly easy to pull through wall studs
  • Complies with national electric code for in-wall installations

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.