Fusion Wire Harness f/ MS-RA670 & MS-RA770 Stereo - Zone 1 & 2 (B Port-RCA)
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Estimated Delivery:Aug 31 - Sep 04
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Free Shipping: On all orders over $150
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Fusion Wire Harness f/ MS-RA670 & MS-RA770 Stereo - Zone 1 & 2 (B Port-RCA)
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Fusion Wire Harness for MS-RA670 & MS-RA770 Stereo - Seamless Connectivity for Your Marine Audio Experience
The Fusion Wire Harness f/ MS-RA670 & MS-RA770 Stereo - Zone 1 & 2 (B Port-RCA) by Fusion delivers seamless connectivity for your compatible marine stereo systems. Tailored specifically for enhancing your audio experience on the water, this wire harness ensures you enjoy superior sound quality, even in the most challenging environments.
Featuring:
- High-Quality Materials: Constructed with durable materials to withstand harsh marine conditions.
- Easy Installation: Effortlessly connects to your Fusion marine stereo, making setup a breeze.
- Multi-Zone Audio Capability: Supports Zone 1 & Zone 2 audio, allowing for a versatile listening experience.
Perfect for marine enthusiasts, boaters, and water sports lovers seeking a reliable audio connection while enjoying their time on the water. Backed by Fusion’s commitment to quality, you can trust that this wire harness will enhance your onboard entertainment.
Upgrade your audio system today with the Fusion Wire Harness and experience the difference. Enjoy peace of mind with a 2-year warranty ensuring your satisfaction and performance in any aquatic adventure!


Fusion Wire Harness for MS-RA670 & MS-RA770 Stereo - Zone 1 & 2 (B Port-RCA)
Fusion Wire Harness by Fusion offers seamless connectivity for your compatible marine stereo systems, tailored for enhancing your audio experience on the water. This wire harness is specifically designed to connect your Fusion marine stereo to a Fusion marine amplifier, enabling the functionality of Zone 1 and 2 speaker or subwoofer zones.
Key Features:
- Easy Installation: Simplifies setup, ensuring your audio systems are connected quickly and efficiently.
- Multiple Zones: Supports Zone 1 and 2 audio outputs, providing customizable sound options for your boat.
- AUX 1 Compatibility: RCA inputs allow you to connect external devices for an enhanced sound experience.
Ideal for marine enthusiasts looking to elevate their audio setup, this product is supported by Fusion's quality assurance, ensuring durability and satisfaction in harsh marine environments. Upgrade your sound system today!

Wire Harness - Zone 1 & 2 (B Port-RCA)
Use this wiring loom to connect your compatible Fusion® marine stereo to a Fusion marine amplifier, enabling the Zone 1 and 2 speaker or subwoofer zones. There are also RCA inputs for enabling the AUX 1 source.
Compatible with
- MS-RA670
- MS-RA770
- MS-WB670
- MS-WB675
- MS-BB100
- MS-RA210
- MS-RA70
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Shipping Policy
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Carriers
We ship all orders via UPS Ground or FedEx Ground, depending on availability and destination.
Shipping Rates
- Orders under $150: Flat shipping rate of $15
- Orders $150 and above: Free shipping
Note: A handling fee of $7.50 may apply to certain items. If applicable, it will be clearly stated during checkout.
Order Processing
- Orders placed before 12:00 PM ET (Monday–Friday): Processed the same business day
- Orders placed after 12:00 PM ET or on weekends/holidays: Processed the next business day
Delivery Time
All orders are delivered within 3–7 business days from the date of shipment, depending on your location.
For any questions or concerns about your order, please contact us at [hello@outdoors.supply]. We’re here to help!
Discover more in our FAQ
How long does it take to process an order?
All orders are processed the same business day if placed before 12 PM EST. Orders placed after 12 PM EST are processed the following business day.
Do you ship internationally?
No! Currently we are only supporting shipments to contiguous United States. We do not ship to PO Boxes or Internationally.
What is your return policy?
No Returns
Due to the nature of our products and our commitment to ensuring the highest quality standards, we do not accept any returns under any circumstances.
No Refunds
We do not offer refunds for any reason, including but not limited to:
- Change of mind
- Incorrect size or style ordered
- Delayed shipping
- Product dissatisfaction
Please refer to our Refund Policy
What are your sizing options?
We have a size chart displayed on most products to reflect the sizing as accurate as possible. Please review the size chart and ensure you are leveraging the closest size possible.
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Why You'll Love Fusion Wire Harness f/ MS-RA670 & MS-RA770 Stereo - Zone 1 & 2 (B Port-RCA)
Premium Quality
Fusion is known for exceptional quality and attention to detail in every product.
Fast Shipping
Fast and reliable shipping to get your Fusion Wire Harness f/ MS-RA670 & MS-RA770 Stereo - Zone 1 & 2 (B Port-RCA) to you quickly.
Satisfaction Guarantee
Backed by our comprehensive warranty for complete peace of mind.
Expert Support
Our dedicated support team is here to help with any questions about Fusion Wire Harness f/ MS-RA670 & MS-RA770 Stereo - Zone 1 & 2 (B Port-RCA).