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Install Bay MC918-20 9-wire

20 ft. (6.1 meters) of Nine Conductor 18 AWG Twisted Multi-Use Cable

Only 3 Left!
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• 20ft. 9-Conductor 18 Gauge Twisted Multi-Use Wire
• Ideal for OEM Integration connections or 4-Channel speaker wiring
• Colored coded design eliminates confusion during installation

Learn more about the mc91820
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Universal – fits most vehicles.

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List price $47.99
Thanks , You Pay:
-38%

$29.99

 with warranty
4 payments of $8

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Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

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In Stock. Only 3 Left!
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Description


Install Bay brand icon

Authorized dealer

Overview:

Simplify your install with this all-in-one solution.
This 20-foot, 9-conductor wire from Install Bay makes amp and speaker installations much cleaner and easier. With nine individually jacketed 18-gauge wires bundled in a tough PVC outer jacket, this cable is designed to handle multiple tasks in one easy run — saving you time and effort.

Versatile Use Cases:

  • Adding a 4-channel amp? Use this wire to send speaker-level output back to the radio location for connection to factory speaker wires.
  • Replacing your head unit? It’s perfect for bypassing a factory amp by routing speaker signals directly from your new stereo.
  • Installing an amp in a remote location? This cable lets you run speaker-level signals and a remote turn-on wire from your factory head unit with ease.

Built for Installers:

  • Color-coded to match standard aftermarket wiring for easy identification
  • Oxygen-free, tin-plated copper conductors for improved reliability and reduced oxidation
  • One clean cable handles four speaker channels and a remote turn-on lead

Key Features:

  • 20 ft. 9-conductor, 18 AWG wire
  • Durable outer PVC jacket
  • Includes 4-channel speaker wires and remote turn-on wire in a single jacketed cable
  • Individually jacketed, color-coded conductors
  • Ideal for OEM integration and custom installs
  • Compatible with most vehicles
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details


Speaker Wire
Wire / Cable Type
Speaker Wire
Length (ft.)
20 feet
Wire Gauge
18 gauge
Primary Color
Blue
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

MC918-20

Weight:

2.20lbs

Internal SKU:

mc91820

Internal Product ID:

20326

Customer Ratings & Reviews


Install Bay MC918-20 9-wire thumbnail image

5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
4
Value
4.5
Features
5
Design
4.5
Usability
5

Customer Reviews

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Easy to use

Good, quality, design and flexible.

By JMR on December 30, 2025 Checkmark Icon Verified purchase
2024 Honda Civic


Great speaker/remote all-in-one cable!!

This cable is great if you're using for door speakers running no more than 100 rms watt & needing a remote turn on wire. Cable is flexible for most applications, may not be for sharp curves; but worth it. The only thing I did not like is the foam wrapping around the remote wire(blue), unsure the reason for it.

By Soccerplayer on March 4, 2016 Checkmark Icon Verified purchase



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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.