A four-zone touchscreen stereo with built-in Wi-Fi, for larger boats with several amplified areas. The RA800 fits the same hole and is the newer choice.
Amazon $744.79
The flagship pick for a large boat that wants four zones, Wi-Fi streaming and real power from the head unit itself. Skip it if you listen to SiriusXM.
- 40 W x 4 RMSPower
- 4Zones
- IPX6/IPX7Water rating
- 4.3 in color touchDisplay
Price checked November 7, 2026. As an Amazon Associate we earn from qualifying purchases.
- 40 W RMS per channel, the most of any built-in amplifier here
- Sharp 800 x 480 touchscreen behind an edge-to-edge glass face
- Four zones, Wi-Fi AirPlay 2, HDMI ARC and chartplotter control
- Drops into an RA770 opening and runs on 12 or 24 V
- $999.99 is the highest price in the category
- No SiriusXM support
How it scores
The rating comes from 7 measured or published factors, each scored 0-100 against fixed reference points for its mount. How we rank explains each one.
Specifications
| Model number | MS-RA800 (010-02937-00) |
|---|---|
| Audio | |
| Amplifier power (RMS, 4 ohm) | 40 W x 4 RMS |
| Zones | 4 |
| RCA output sets | 8 |
| Sources and control | |
| Bluetooth | Yes |
| USB playback | Yes |
| Phone app | Yes |
| SiriusXM-ready | No |
| NMEA 2000 | Yes |
| Wi-Fi or AirPlay 2 | Yes |
| Weather band | No |
| DAB+ | Yes |
| CD player | No |
| Camera input | No |
| Build | |
| Mount | Panel cutout |
| Front water rating | IPX6/IPX7 |
| Display | 4.3 in color touch |
| Warranty | 3 years |
| Released | 2025-06-19 |
Alternatives in this mount
An Apollo-series stereo in the compact Fusion cutout, for a boat with up to three amplified zones. Buy it over the RA210 for the third zone, the networking and the longer warranty.
Amazon $549.99A four-zone stereo with chartplotter control for well under the price of an Apollo. It suits a boat that will add amplifiers zone by zone.
Amazon $427.86Compare
Compare the Fusion Apollo MS-RA800 with any other marine stereo →
More from Fusion: every Fusion product ranked.