What is the outer diameter of the insulation?

When separated, a single strand is .165 in. in diameter and together it measures .165 in. by .345 in.

It says 99% copper but looks like less conductive and cheaper copper clad aluminum. . Which is it?

I assumed it was as advertised: 99% copper. There are different grades of copper, so conductivity may well vary, but like you, I was looking for a step up from copper clad aluminum. Don't know for sure if I got it, but the cable is thick and my system sounds good with it.

Probably china. The wire feels very high quality. It’s soft and flexible, and I got fuller richer sound out my home theater after I rewired with this.

So are we getting 50ft of each =100ft or 100ft of each =200ft?

It's One 100ft spool of speaker wire.

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InstallGear 12 Gauge Speaker Wire - 99.9% Oxygen-Free Copper - True Spec and Soft Touch Cable (30-feet)

Product ID: 110929679

Details

Brand
InstallGear
Colour
Brown
Gauge
12.0
Material
Copper
Number of Cable Strands
1

🔊12 Gauge for powerful sound

🧪99.9% Oxygen-Free Copper purity

🧵Soft Touch, True Spec cable

Description

🎧 Elevate your sound game with InstallGear’s pro-grade speaker wire!

TRUSTED BY THOUSANDS - Join over 2,800 satisfied customers who rate this cable 4.6 stars for reliability and performance.
PERFECT 30 FOOT LENGTH - Ideal for professional setups or home theaters, giving you the freedom to position your speakers exactly where you want.
PREMIUM SOFT TOUCH CABLE - Flexible and easy to install, this cable feels as good as it performs—no more frustrating bends or kinks.
ROBUST 12 GAUGE THICKNESS - Engineered for superior durability and optimal power handling, ensuring your audio setup performs at its peak.
CRYSTAL CLEAR AUDIO TRANSMISSION - Experience pristine sound with 99.9% oxygen-free copper wiring that minimizes signal loss and distortion.

InstallGear’s 12 Gauge Speaker Wire features 99.9% oxygen-free copper for superior conductivity and minimal signal degradation. The true spec, soft touch cable design ensures easy installation and durability over its 30-foot length, making it a top choice for audiophiles and professionals seeking crystal-clear audio performance.

Specifications

ASIN	B079VJXN1Z
Best Sellers Rank	#239,213 in Electronics ( See Top 100 in Electronics ) #33 in Speaker Cables #183,244 in Accessories (Electronics)
Brand Name	InstallGear
Colour	Brown
Customer Reviews	4.6 4.6 out of 5 stars (2,697)
Gauge	12.0
Global Trade Identification Number	00850075307142
Manufacturer	InstallGear
Material Type	Copper
Model Number	IG1230OFC
Number Of Wires	1
Number of Items	1
Part Number	IG1230OFC
Strands	1
UPC	753968370868
Unit Count	1.0 Count

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