Fusion MS-SRX400
Marine Zone Stereo With Built-in Wi-Fi® and Ethernet
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Fusion Apollo MS-SRX400 Marine Zone Stereo
Product Overview:
The Fusion Apollo MS-SRX400 is a compact, high-performance marine zone stereo designed to provide a premium audio experience in smaller spaces. As part of the Apollo Series, it features built-in Wi-Fi streaming, Apple AirPlay 2, and Digital Signal Processing (DSP). It is uniquely versatile, functioning as either a powerful standalone stereo or an integrated part of a larger PartyBus™-Network, making it the ultimate solution for zoned audio on any vessel.
Key Features
World’s First Marine Wi-Fi Stereo
The MS-SRX400 offers high-quality audio streaming via Wi-Fi, providing a significantly higher data transfer rate than standard Bluetooth. This results in superior audio fidelity and allows for seamless integration with Apple AirPlay 2 and UPnP, ensuring your music sounds exactly as the artist intended.
Fusion Digital Signal Processing (DSP)
This system uses advanced DSP technology to optimize the audio signal for your specific boat environment. By using the Fusion-Link app, you can select preconfigured profiles for your speakers and amplifiers. The integrated feed-forward limiter anticipates audio peaks and adjusts gain on the fly, virtually eliminating distortion at any volume level.
PartyBus™-Network Connectivity
Designed for the modern boater, PartyBus technology allows you to connect multiple Apollo Series stereos together via Ethernet or Wi-Fi. In Party Mode, you can play the same perfectly synced source across the entire boat. In Personal Mode, the MS-SRX400 functions as a standalone zone, allowing you to listen to your own music without interrupting the "party" in other areas.
Compact True-Marine™ Design
Built to withstand the harshest marine conditions, the MS-SRX400 features an IPX6 and IPX7 water-resistant front panel. Its compact form factor and 2.7-inch optically bonded color LCD make it ideal for installation in tight spaces or as part of a sleek glass helm configuration. The optically bonded screen prevents fogging and ensures track info and album art remain visible in direct sunlight.
Technical Specifications
| Category | Specification |
| Audio Performance | |
| Peak Power | 140W Max |
| Rated Power (2-Ohm) | 43W RMS x 2 |
| Rated Power (4-Ohm) | 26W RMS x 2 |
| Internal Amplifier | Class-D (2-Ohm Stable) |
| Connectivity | |
| Wireless | Wi-Fi, Bluetooth, Apple AirPlay 2, UPnP |
| Wired | Ethernet (1 Port), AM/FM Antenna |
| Control | Fusion-Link App, MFD, Garmin Watch |
| Physical Specs | |
| Display | 2.7" Optically Bonded Color LCD |
| Dimensions | 2.76" H x 4.33" W x 4.81" D |
| Water Rating | IPX6 & IPX7 (Front Panel Only) |
| Expansion | |
| RCA Pre-Outs | 1 Zone (L+R + Subwoofer) |
| Software Updates | Over-the-air (via Fusion-Link App) |
What Others Are Saying
Eddie was great - SDCS installed a new head unit in my 2019 4Runner. He was honest in his opinions regarding the options I was considering. Pricing was also good - he was able to reuse some of my existing installation kit so I saved a bit of $$.Installation was clean and fast and he took the time to walk through the features before I left. Highly recommend!!
I had a great time at this shop! The staff really knows their stuff and took the time to explain the different options without pressure. Installation was quick, clean and professional. Everything looks factory and sounds amazing. The prices were fair and customer service was above and beyond. I highly recommend this place if you're looking for quality car audio and excellent service.
Those guys are really professional! I had a new Alpine floating head unit installed in my 2008 Mercedes, and it feels like a brand-new car. The installation was super clean. At first, the sound wasn’t the same as the factory stereo, but Kevin tuned it to be just as good—if not better—without adding any new amps. They even used my factory GPS antenna so I don’t have extra wires hanging out. On top of that, they matched the online price. Big thanks to Kevin and Eddie—highly recommended!
Kevin was awesome, he took his time and explained everything to me. I went in initially for a dash cam install and then decided to get a sub and amp installed as well. Both turned out great and will be returning if I need more work done.
Came In not knowing what to expect when suddenly my stereo stopped working. Spoke with Kevin in the front and after a VERY fast diagnosing they discovered my wiring was incorrect. After only about 45 minutes total being in the store I was on my way to the beach with a working stereo again! Thank you so much SDCARSTEREO
Highly recommend Kevin and the team at San Diego Car Stereo for any issues with aftermarket stereos. I bought a car with an aftermarket stereo and AC unit that wasn’t working properly—specifically, the heat wasn’t functioning due to an improper setup. I had several people look at it with no luck, and even the dealership basically refused to help because it was an aftermarket install. I came to Kevin and his team over the holidays feeling pretty defeated, but he was confident he could get the heat working before I headed back to a Colorado winter. Sure enough, he got it done.
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.