Budget Pick · Short Indoor Runs

CCA Copper-Clad Aluminum Speaker Wire

30–40% less than OFC for short, low-power indoor runs. Multi-color options in 10–18 AWG.

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Overview

When CCA makes sense (and when it doesn’t)

Copper-clad aluminum is exactly what the name describes: an aluminum core with a thin bonded copper sheathing. The manufacturing process bonds the two metals mechanically and metallurgically, creating a conductor that carries current through the copper surface layer (where most audio-frequency current flows due to skin effect) while using aluminum for mass.

CCA is approximately 30–40% lighter than pure copper at the same gauge and costs significantly less. For short, low-power indoor runs — rear surround speakers under 30 ft, bookshelf speaker connections, desktop setups — you will not measure a meaningful electrical difference versus OFC.

Where CCA has limitations: resistance is approximately 60% higher than OFC at equivalent gauge and length, which matters on long runs and with high-current amplifiers. CCA is also more susceptible to corrosion at outdoor terminations. We don't recommend CCA for direct burial primary runs, marine environments, or any run over 50 ft at receiver power levels above 100W per channel.

Available in 10, 12, 14, 16, and 18 AWG in both indoor and CL3-rated outdoor builds.

Two-step picker

Two questions decide the right speaker wire.

How long is the run and how much power the amp pushes. Use the picker, then choose the conductor that fits the budget and the room.

1 Pick the gauge 2 Pick the conductor
1 Step 1 · Pick the gauge

Thicker wire = lower resistance = cleaner power.

Every foot of speaker wire adds a tiny amount of resistance between the amp and the driver. The longer the run and the higher the wattage, the thicker the conductor needs to be to keep voltage drop under 5%.

  • Short runs (<50 ft): 16 AWG is plenty.
  • Most home theaters: 14 AWG sweet spot.
  • Long / high-power runs: step up to 12 or 10 AWG.
Interactive · gauge picker

Tell us the run. We'll size the wire.

5 ft
5 ft50100150200+ ft
Amplifier power per channel
Recommended
14 AWG OFC OFC speaker wire

Short home-theater run — 14 AWG OFC is the sweet spot for 5.1 / 7.1.

Shop 14 AWG OFC
2 Step 2 · Pick the conductor

OFC vs CCA — the single biggest sound-quality decision.

Copper-clad aluminum looks like copper but is mostly aluminum, with roughly 60% more resistance. Over a 50 ft run pushing real wattage, you can measure (and hear) the difference.

Interactive · conductor picker

What are you wiring up?

Pick the scenario that fits and we'll tell you which conductor wins.

Recommended · OFC
OFC — the home-theater standard.

5.1 / 7.1 receivers and longer runs to surrounds reward pure copper. Lower resistance means cleaner dialogue, tighter bass, and full headroom on dynamic scenes.

Shop OFC speaker wire
SPEC
OFC PICK
Oxygen-Free Copper
CCA PICK BUDGET
Copper-Clad Aluminum
Conductor
99.9% pure copper
Aluminum core, copper skin
Resistance vs OFC
Baseline (lowest)
≈ 60% higher
Best run length
Up to 200+ ft
Under 50 ft
Power handling
Any amp, any speaker
Low to mid power
In-wall code
CL2 / CL3 available
Indoor short runs
Recommended for
Home theater · pro · outdoor
Budget DIY · cars

Top picks

CCA Copper-Clad Aluminum Speaker Wire — top picks.

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FAQ

Questions buyers actually ask.

Is CCA speaker wire good enough for a basic home theater setup?
For runs under 50 feet with a receiver outputting 100 watts per channel or less, CCA performs well and you will not notice a measurable difference in sound quality compared to OFC. It is a practical choice for budget builds and temporary setups.
Why is CCA cheaper than OFC?
Aluminum is significantly less expensive than copper as a raw material. CCA uses an aluminum core with a thin copper coating, which reduces material cost while still providing reasonable conductivity. The trade-off is higher resistance per foot compared to pure copper.
Can I use CCA wire for outdoor or in-wall installations?
Some of our CCA lines carry a CL3 outdoor rating, so yes for certain products. However, for permanent in-wall or direct burial installs, OFC is a better long-term investment. CCA is more susceptible to corrosion at outdoor termination points and has higher resistance on longer runs, both of which matter more in permanent applications.
What happens if I use CCA on a long run with a high-power amp?
You will see increased voltage drop across the cable, which reduces the effective power delivered to the speaker. At the same gauge, CCA has roughly 60 percent more resistance than OFC. On a 100-foot run with a 200-watt amp, that resistance adds up and you may notice reduced output and dynamics compared to OFC.
Do you offer CCA in bulk spools for larger projects?
Yes, we carry CCA in 250 and 500 foot spools. Contact support@gearit.com if you need a larger quantity or want to discuss contractor pricing.