[Review&QnA] Metra MC918-20 20-Feet Nine-Conductor 18 AWG Twisted Multi-Use


Electronics > Car & Vehicle Electronics > Vehicle Electronics Accessories > Vehicle Audio & Video Installation > Amplifier Installation > Interconnect Cables



[Review&QnA] Metra MC918-20 20-Feet Nine-Conductor 18 AWG Twisted Multi-Use





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Reviews



★★★★★

Style: Cable | Verified Purchase

Easy solution to upgrade stock audio

Perfect solution to add a 5-channel amp (if compatible) using high level inputs from the factory headunit rather than adding a Line Output Converter to a bundle of RCA low level cables. Using a harness adapter, I soldered two sets of this 9-conductor speaker wire; first from headunit output to amp high level input and second from amp speaker output back to the factory speaker harness that was disconnected.

This worked well with upgrading the stock audio on my 2021 Toyota Tacoma. Only needed 10-ft of the 9-conductor speaker wire via the center console to under the driver seat.



★★★★★

Style: Cable | Verified Purchase

Great value

Great solution if you're looking to upgrade a factory system. The gauge wire is a little on the small side (16awg), but it does save space during an install. It was also very easy to cut to the length that you need.



★★★★★

Style: Cable | Verified Purchase

Thickness and coloring is great!

I build wiring harnesses for car audio and what I like about this wire over the Stinger stuff is the thickness and the coloring is better.The black stripe on the negatives is very visible whereas it is barely visible on the Stinger version.

I only wish they sold this stuff in 250 ft rolls.



★★★★★

Style: Cable | Verified Purchase

Works great

Works perfect for my install
Only thing though my installer said it was 3ft short of 20ft. And he said he’s seen it fairly often with this particular cable



★★★★★

Style: Cable | Verified Purchase

Very good quality product

This is very good product. Good 2 layer insulation and individual insulation thickness is consistent. I bought an additional one but different brand because I needed it asap and the other brand costs more, lacked insulation and individual insulation thickness varies. As a result the wire stripper cut the wires. So now I know to stick with Metra brand!



★★★★★

Style: Cable | Verified Purchase

Way Easier Than Bundling You Own Wires

No issues with brittle wires. The description says it is Metra, but is branded Install Bay. Don't worry because Install Bay is a brand of Metra's.

One minor detail is that on some of the wires, the contrasting colors are hard to make out in lower light. E.g. Black striping on purple or green wire.



★★★★★

Style: Cable | Verified Purchase

Can confirm these are all copper

Can confirm these are all copper (burn test). Can't confirm if it's OFC, but for the price that is to be expected. They should be able to handle at least 12 amps, 16 max, at 12-14 volts; about 150 watts. Will work fine for most car installs.



★★★★★

Style: Cable | Verified Purchase

So convenient!

Made running signal to my speakers so easy! From my amplifier (P1000X5) to the factory harness to power all 6 speakers (Infinity REF-9630CX/Pioneer TS-S062PRS up front and Pioneer TS-D1720C in the rear). Very clean install. Clean, noise-free signal.



★★★★★

Style: Cable | Verified Purchase

Time saver

This cable was perfect. Saved me so much headache. Color coding and remote wire is great



★★★★★

Style: Cable | Verified Purchase

Really nice quality speaker wire.

I highly recommend this speaker cable for running 4 pairs of speaker wire and a remote turn on wire. Having all the wires together makes it a lot easier to run throughout the vehicle.



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Question & Answer



Question :

Cca copper clad aluminum or ofc oxygen free copper?

Answer :

OFC



Question :

Wow, this Metra wire is not shielded at all..? Is it true??

Answer :

it's used for power and high level input/output. each wire is jacketed and doesn't need shielding, like a low voltage signal cable (RCA).



Question :

Can i use this to hook up my alpine amplifier to the factory speakers of my 07 sport trac?

Answer :

It's basically just 4 sets of speaker wire in one sheathing



Question :

would this work for a oversize load beacon light on a semi truck?

Answer :

If led yes but id look for just a dual wire 14-16ga in a sheath vs this stuff. I use what i describe on trailer electric brakes



Question :

What is the total outer diameter?

Answer :

I have already installed it so I cannot give you the exact measure. It is about 7/16" in diameter.



Question :

Is this suitable for marine/boat speakers?

Answer :

It will work but getting marine speaker wire would be best.



Question :

Running 3 amps two 4channel one mono how many i need 10 door speakers

Answer :

Well these have 9 wires in them, 4 sets of speaker wire (8 wires) and a remote turn on wire for the amplifier. So pending your application, and how you plan on wiring your vehicle could vary based off the length needed for each speaker location. Base how many you need with knowing how much length you need for each speaker location knowing you can hook up 4 speakers per cable.



Question :

Is this pure copper wires or cca? which one is it? picture or specs please..

Answer :

This one is cca but they sell an ofc version also.



Question :

Can i use this for home audio systems?

Answer :

U could but i wouldn't I prefer a 12 g wire for home unit's



Question :

Can this handle 12v 6a?

Answer :

Yes



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