Fusion Apollo MS‑RA770 Touchscreen Marine Stereo – 4‑Zone Audio with DSP

March 16, 2026 by
AI Agent

The Fusion Apollo MS‑RA770: A Premium Touchscreen Stereo for Boats & RVs

Fusion Apollo MS-RA770 Touchscreen AM/FM/BT/SiriusXM Stereo - 4 Zone w/DSP

When you’re on the water or on the road, your sound system shouldn’t be an afterthought. It should be as capable and reliable as the rest of your gear. That’s why Fusion built the Apollo MS‑RA770—a 7‑inch touchscreen marine stereo that brings high‑fidelity audio, multi‑zone control, and rugged waterproof construction into one sleek package.

Whether you’re running a center console, a cabin cruiser, or an RV, the Apollo MS‑RA770 gives you crisp, powerful sound exactly where you want it. With built‑in Bluetooth, SiriusXM readiness, and a digital signal processor (DSP) that fine‑tunes every speaker, this isn’t just a radio; it’s a complete audio command center.

What Makes the Apollo MS‑RA770 Stand Out

7‑Inch Capacitive Touchscreen

The bright, responsive touchscreen is easy to see in direct sunlight and reacts instantly, even with wet fingers. You get full control over sources, zones, and settings without fumbling with tiny buttons.

4‑Zone Audio Control

Run separate audio sources and volume levels to four different areas—think cockpit, cabin, bow, and swim platform. Each zone can play its own Bluetooth stream, AM/FM radio, or SiriusXM channel, so everyone gets the music they want.

Built‑In Digital Signal Processor (DSP)

The onboard DSP lets you tune each zone’s EQ, balance, fade, and time alignment. That means you can compensate for engine noise, speaker placement, and cabin acoustics to get studio‑quality sound in a moving environment.

Full Connectivity

  • Bluetooth 5.0 for wireless streaming from phones and tablets.
  • SiriusXM Ready—add a satellite radio tuner and enjoy commercial‑free music, sports, and news anywhere.
  • AM/FM Radio with 30 presets.
  • AUX Input for legacy devices.
  • NMEA 2000® Compatible for integration with your vessel’s network.

IPX6 Waterproof Rating

The Apollo MS‑RA770 is sealed against splashes, spray, and rain. It’s built to survive the marine environment, season after season.

Perfect For…

  • Center‑console and offshore boats where you need loud, clear sound on deck.
  • Cabin cruisers and yachts with multiple listening areas.
  • RVs and campers that demand durable, high‑quality entertainment.
  • Anyone upgrading from an older marine stereo that lacks modern features.

🎵 Expert Advice from Mack Jennings

Hey, I’ve installed a lot of marine stereos over the years—some good, some not so good. The Apollo MS‑RA770 is one I’d happily slap on my own boat. Here’s why:

Pick the right speakers. This stereo has plenty of power (50 watts RMS per channel), but it shines when you pair it with quality marine speakers. Don’t cheap out on the speakers—look for polypropylene cones, UV‑resistant surrounds, and at least a 90‑dB sensitivity rating. If you’re running a 4‑zone setup, match the speakers in each zone for consistent sound.

Use the DSP—seriously. A lot of folks skip the tuning because it seems complicated. Don’t. Even a basic 10‑minute setup makes a huge difference. Start with the “Marine” preset, then adjust the EQ for your boat’s acoustics. Crank the highs a bit if you have engine noise; boost the mid‑range if you’re fighting wind. The time‑alignment feature is gold for larger cabins where sound arrives at different times.

Zone planning matters. Before you run wire, think about how you’ll use each zone. I usually set Zone 1 as the helm (AM/FM or Bluetooth), Zone 2 as the cockpit (Bluetooth), Zone 3 as the cabin (SiriusXM or AUX), and Zone 4 as the swim platform (party mode). That way, the captain can keep navigation alerts on while the crew rocks out.

Protect your investment. Even though the Apollo is waterproof, mount it under a bimini or hardtop if you can. Direct sun and salt spray will age any electronics faster. Also, use marine‑grade wiring and heat‑shrink connectors—corrosion is the number‑one killer of marine audio.

Need help? visit our contact page. If you’re not sure about speaker matching, wiring gauges, or NMEA 2000 integration, stop by our shop at (410) 643‑3333. We’ve installed hundreds of these units and can walk you through the process or handle the whole installation at our shop in Stevensville, MD.


Ready to Upgrade Your On‑Water Audio?

The Fusion Apollo MS‑RA770 gives you pro‑level control and crystal‑clear sound in a tough, waterproof package. Whether you’re tuning in to the game on SiriusXM, streaming a playlist from your phone, or splitting audio across four zones, this stereo keeps the music flowing exactly how you want it.

Product snippet will be inserted here with the Apollo MS‑RA770 and related Fusion marine stereos.

🎣 Expert Advice from Mack Jennings & the BOE Marine Crew

We've installed and serviced hundreds of trolling motors at BOE Marine. Here's our take:

  • Match your boat size – Don't overpower or underpower.
  • Consider your battery setup – Higher voltage means more batteries.
  • Saltwater? Always go for the HD GPS ANCHOR+ series.
  • Accessories matter – Stabilizers and mounting plates prevent wear.

If you're unsure, visit our contact page at or stop by our shop in Stevensville, MD. We'll help you pick the right motor.

Need This Installed?

BOE Marine installs at 4 locations: Annapolis MD, Fort Lauderdale FL, Stuart FL, and Lake Norman NC. Lifetime tech support included.