Do you have a question about the Garmin FUSION MS-RA70NSX and is the answer not in the manual?
Details on device weight, water resistance, operating temperatures, input voltage, and wireless protocols.
Provides front view dimensions for the stereo unit, including width and height.
Provides side view dimensions for the stereo unit, including depth and height.
Instructions for registering the Fusion device online for better support.
Guidance on updating the device software using a USB flash drive.
Details on device weight, water resistance, operating temperatures, input voltage, and wireless protocols.
Provides front view dimensions for the stereo unit, including width and height.
Provides side view dimensions for the stereo unit, including depth and height.
Instructions for registering the Fusion device online for better support.
Guidance on updating the device software using a USB flash drive.
The Fusion MS-RA70NSX is a marine stereo designed for installation on boats or other vehicles, offering a range of audio playback and connectivity options. This device can be mounted either on a flat surface or in a single-DIN opening, making it suitable as a replacement for an existing stereo. Proper installation is crucial for its functionality and longevity, especially in marine environments where exposure to water is a concern.
The Fusion MS-RA70NSX serves as a central audio hub, capable of playing music from various sources and distributing it to multiple speaker zones. It features an on-board Class AB amplifier, delivering 50 W maximum output per channel across four channels, with a total output music power of 200 W maximum. This allows for robust audio performance in a marine setting.
The stereo includes an AM/FM tuner, enabling users to listen to radio broadcasts. For expanded entertainment options, it supports connection to a SiriusXM tuner module (not included), providing access to a wide array of satellite radio channels where available.
Connectivity is a key aspect of the MS-RA70NSX. It features a USB port for connecting USB sources, allowing for playback of digital audio files. Additionally, it includes auxiliary-in ports (red and white RCA stereo line input) for connecting external audio sources like CD or MP3 players. The stereo also offers line-out ports for Zone 1 and Zone 2, providing full-range outputs to external amplifiers, which are associated with their respective volume controls. For enhanced bass, it includes subwoofer-out ports, each providing a single mono output to a powered subwoofer or subwoofer amplifier. A connected subwoofer is associated with the volume control for Zone 1.
The device is NMEA 2000® compatible (on MS-RA70NSX models only), allowing it to integrate into an existing NMEA 2000 network. This enables control of the stereo from supported chartplotter MFDs or compatible Fusion NMEA 2000 remote controls, enhancing convenience and system integration on a vessel.
Wireless connectivity is provided through Bluetooth® technology, allowing users to stream audio from compatible devices. It also supports ANT® wireless technology, offering a wireless range of up to 3 meters (10 ft.).
The MS-RA70NSX is designed with user convenience in mind, particularly in a marine context. When installing, it's important to ensure the stereo is mounted in a location that allows for open airflow around the rear for heat ventilation. If exposed to water, it must be mounted within 45 degrees of the horizontal plane, and cables should have a drip loop to prevent water damage. For outdoor mounting, it should be placed far above the waterline and in a location where it cannot be damaged by external elements like docks or pilings. To avoid interference with a magnetic compass, the stereo should be installed at least 15 cm (5.9 in.) away.
The stereo's wiring harness includes clearly identified wires for power, ground, amplifier-on signal, mute, and dim functions, as well as speaker connections for two zones. This allows for flexible integration into a vessel's electrical system and audio setup. The "Amplifier on" wire can be connected to an optional external amplifier to turn it on when the stereo is powered on. The "Mute" wire can be connected to ground to activate muting or switch to AUX input, a feature configurable in the settings menu. The "Dim" wire connects to the boat's illumination wire to dim the stereo screen when the lights are on.
A key feature is the ability to group speakers into speaker zones, allowing for individual control of audio levels in different areas. For example, users can make the audio quieter in the cabin and louder on deck. The balance, volume limit, subwoofer level, and name for each zone can be customized.
The device is designed to be connected to power through the ignition or another manual switch. It is crucial to connect the black ground wire to the negative battery terminal and the red power wire to the ignition or manual switch, which in turn connects to the positive battery terminal.
Maintaining the Fusion MS-RA70NSX involves ensuring proper installation and keeping its software up to date. The device is designed with water resistance ratings of IEC 60529 IPX7 for the front and IEC 60529 IPX3 for the rear, indicating its suitability for marine environments. However, proper mounting with a mounting gasket is essential to maintain this water resistance.
The stereo contains a fuse, and users should refer to the device specifications for replacement fuse information if needed.
For optimal performance and compatibility, it is recommended to update the software in all Fusion devices at the time of installation. Software updates can be performed using a USB flash drive. Instructions for updating the device using a USB flash drive are available on the device product page on the manufacturer's support website.
Registering the Fusion device online is also recommended to receive better support. This involves visiting the manufacturer's website and keeping the original sales receipt or a photocopy in a safe place.
| Type | Marine Stereo |
|---|---|
| Bluetooth | Yes |
| Water Resistance | IPX7 |
| NMEA 2000 | Yes |
| USB | Yes |
| AUX | Yes |
| Display Resolution | 480 x 272 pixels |
| Touchscreen | No |
| Built-in Sonar | No |
| Networking | NMEA 2000, Bluetooth |
| Display | LCD |
| SiriusXM | Yes |
| Multi-Zone Technology | Yes |












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