Garmin Fusion Apollo MS-WB675 Marine Hideaway Stereo

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In the Box

  • Fusion MS-WB675 marine hideaway stereo
  • Four 8-gauge, self-tapping screws
  • Power and speaker wiring harness
  • Auxiliary-in, line-out and subwoofer-out wiring harness
  • Line-out and subwoofer-out wiring harness
  • 6 ft (2 meter) NMEA 2000® drop cable
  • Documentation


Built on the True-Marine design philosophy from Fusion®, the Apollo WB675 stereo has been tested to a high level of protection against salt fog, temperature, vibration and UV.


Designed to save space at the helm, Apollo WB675 can be hidden away in the dash or mounted in a variety of areas such as storage lockers, inside helm consoles and other concealed compartments.


A technically superior listening experience made simple, Fusion DSP optimizes the audio signal delivered to your Fusion system to produce superior sound quality at all volume levels, in every listening environment.


With just a few clicks on your compatible smartphone, setting up your DSP profiles is made simple with the free Fusion-Link app. You can set up the preconfigured DSP profiles once and enjoy listening to high-quality audio customized for your ears and the environment.


Connect your Apollo WB675 stereo via Ethernet to your wireless network router, Garmin MFD or Apollo Series stereo network, and enjoy Wi-Fi audio streaming and over-the-air software updates1.


Enjoy the clarity and premium quality of audio streaming with Wi-Fi technology, including the convenience of AirPlay 2 from Apple® and universal plug-and-play (UPnP)1.


Updates are now available from your compatible smartphone or device via the free Fusion-Link app. The Apollo Series is intelligently simple and easy to keep up to date1.


Grouping allows you to link up multiple Apollo Series stereos connected to the same network and play the same audio source synchronized across all stereos.

Scroll through available zones on your boat, and enjoy independent volume control, or select ALL volume to adjust a group of stereos at once.


Power options allow you to turn on any connected Apollo Series stereo in standby mode on the PartyBus-Network remotely from another Apollo Series stereo.


Power options allow you to turn on any connected Apollo Series stereo in standby mode on the PartyBus-Network remotely from another Apollo Series stereo.


Home Zone is the physical zone on board your boat in which the stereo is installed. After adjusting audio in another zone, the stereo defaults to control of the Home Zone after a period of inactivity.




Physical dimensions (HxWxD)

5.1" x 5.1" x 2.2" (130 x 130 x 56 mm)
Weight 16.75 oz (475 g)
Power input 10.8-16 VDC
Operating temperature range 32-122 degrees F (0-50 degrees C)
Current (max) 15 A
NMEA 2000® network LEN 1 (50 mA)
BLUETOOTH® technology wireless range Up to 30' (10 m)
ANT® connectivity wireless range Up to 10' (3 m)
Wireless frequencies/protocols BLUETOOTH 2.4 GHz @ +12 dBm nominal
ANT 2.4 GHz @ +7 dBm nominal
Compass-safe distance 5.9" (150 mm)

Stereo Features

Built-in amplifier Class-D (2 ohm stereo-stable)
Peak power 280 watts
Built-in amplifier Class-D (2 ohm stereo-stable)
Rated power output (2 ohm) 43 watts RMS x 4 @ 14.4 V input < 10% THD
Rated power output (4 ohm) 26 watts RMS x 4 @ 14.4 V input < 10% THD
Built-in Digital Signal Processing yes (with preconfigured DSP profiles)
PartyBus™-Network capabilities yes (wired)
Fusion-Link™ control yes (with MFD, smartphone and compatible Garmin watch)
Multi-Zone™ technology 4 zones
BLUETOOTH wireless technology yes
ANT wireless technology yes
SiriusXM® ready yes (requires SiriusXM Connect vehicle tuner)
DAB+ ready yes (requires DAB100A antenna module)
Optical audio input yes
NRX remote compatibility yes
Software updates Over-the-air software updates via the Fusion-Link app*
Warranty 3 years


Sources AM / FM / BLUETOOTH / AirPlay® 2 from Apple®* / digital optical input / USB audio / iPhone® / iPod® / AUX x1 / universal plug-and-play* / MTP / SiriusXM ready (USA only; requires optional SiriusXM Connect vehicle tuner) / DAB+ ready (available in Europe and Australia only)


Auxiliary input 1
Optical audio input 1 digital SPDIF port
Ethernet 1
NMEA 2000 1
USB 2.0 1
SiriusXM satellite radio 1 (requires SiriusXM Connect vehicle tuner; does not support traffic and weather)
AM/FM radio 1 Motorola antenna connector port
Speaker 4 speaker connections (2 zone amplified)
RCA pre-out (left, right and subwoofer) 4 zones (requires external amplification)
Line out 4 (1 x L + R per zone; requires external amplification)
Subwoofer out 1 mono output (requires external amplification)

*Available when connected to a wireless network router or Apollo Series stereo network enabled with Wi-Fi® technology.

The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Garmin is under license. Wi-Fi is a registered trademark of the Wi-Fi Alliance. Sirius, XM and all related marks and logos are trademarks of Sirius XM Radio Inc. AirPlay, Apple, iPhone and iPad are trademarks of Apple Inc., registered in the U.S. and other countries.

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