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Install Bay MC918-20 9-wire All-in-one cable for speaker and amp installation (20 feet)
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Install Bay MC918-20 9-wire All-in-one cable for speaker and amp installation (20 feet)
Product details
Install Bay's MC918-20 9-wire makes running speaker wire as easy as it gets. They bundle nine individually-jacketed, extra-strong wires into one handy 20-foot cable with a rugged PVC outer jacket. That's enough to wire four speakers, with one wire reserved for your amplifier's turn-on function.
Several uses
You can use this cable for a variety of installations:
1) If you are adding a new 4-channel amp, you can use this cable to run the output signal back up to the radio location to connect to the factory speaker wires.
2) If you are installing a new car stereo, you can use this cable to bypass the factory amplifier, connecting the speaker wires from your new radio to the speaker wires coming out of your factory amplifier.
3) You can use this cable to run the speaker-level and turn-on signals from your factory radio to an amplifier in another location.
Color-coded
Each of the nine wires is color-coded to match the aftermarket standard for wiring, and Install Bay uses tin-plated, oxygen-free copper to prevent oxidation and improve overall reliability. Run the 9-wire once, and move on! You'll have a kickin' system by lunchtime.

Product highlights:
- 20-foot all-in-one cable
- 9 individually jacketed wires enclosed in outer PVC jacket
- includes wire for 4 speakers and an amplifier turn-on wire
- color-coded to match standard aftermarket wires
- tin-plated, oxygen-free copper wire
- 18-gauge wire
30-Day Return Policy
At Fuego Bass Shop, we want you to be fully satisfied with your purchase. You can return most products within 30 days of delivery for a refund or exchange.
Please note: Any returns with physical damage or missing original packaging may incur a deduction.
Restocking Fee: A 15% restocking fee will be deducted from your refund to cover handling and restocking.
Refunds will be processed to your original payment method within 5–7 business days after we receive and inspect the returned item.
We ship within the United States (excludes recipients in Alaska, Hawaii, Puerto Rico, U.S. Virgin Islands, and Guam).
At Fuego Bass Shop, we understand the thrill of receiving your car audio equipment quickly. Our shipping process is designed to ensure your order arrives safe, fast, and ready to pump bass.
Most orders are processed within 1–2 business days. Standard shipping usually takes 3–7 business days depending on your location. Expedited shipping is available for select items during checkout.
Once your order is shipped, you will receive a tracking number via email so you can follow your gear every step of the way. Our packaging is designed to protect high-performance audio equipment from bumps, vibrations, and shocks during transit.
Please note: Delivery times may vary during holidays, promotions, or due to carrier delays. We highly recommend verifying your shipping address before completing checkout to avoid delays.
If you have any questions about your shipment or need assistance, our support team is ready to help. We want your experience with Fuego Bass Shop to be as powerful and smooth as our bass systems!

