Clarion CMM-30
A 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 $427.86$427.86
25 W x 4 RMS4Panel cutout
3.1/5
A zone stereo for a second listening area on a boat that already has an Apollo RA670, RA770 or RA800. As the only stereo on board it gives up too much.
- 26 W x 2 RMSPower
- 1Zones
- IPX7Water rating
- 2.7 in colorDisplay
Check price at Amazon$399.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Part of the Fusion Apollo MS line: See every Fusion Apollo MS generation.
Pros
- Small square face fits where a full stereo won’t, such as a cabin or flybridge
- Built-in Wi-Fi and AirPlay 2
- Plays sources from other Apollo stereos on a PartyBus network
- Three-year warranty
Cons
- Two amplified channels, not four
- No USB, SiriusXM or NMEA 2000 of its own
- Can join a group but cannot share its own sources
The Fusion Apollo family
Every Fusion Apollo model we rank, smallest first. Ratings compare each against its own mount.
| Model | Power | Rating | Price |
|---|---|---|---|
| Fusion Apollo MS-SRX400 (this one) | 26 W x 2 RMS | 3.1/5 | $399.99 |
| Fusion Apollo MS-RA670 | 26 W x 4 RMS | 4.1/5 | $549.99 |
| Fusion Apollo MS-RA770 | 26 W x 4 RMS | 4.5/5 | $744.79 |
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-SRX400 (010-01983-00) |
|---|---|
| Audio | |
| Amplifier power (RMS, 4 ohm) | 26 W x 2 RMS |
| Zones | 1 |
| RCA output sets | 2 |
| Sources and control | |
| Bluetooth | Yes |
| USB playback | No |
| Phone app | Yes |
| SiriusXM-ready | No |
| NMEA 2000 | No |
| Wi-Fi or AirPlay 2 | Yes |
| Weather band | No |
| DAB+ | No |
| CD player | No |
| Camera input | No |
| Build | |
| Mount | Panel cutout |
| Front water rating | IPX7 |
| Display | 2.7 in color |
| Warranty | 3 years |
Alternatives in this mount
Fusion MS-RA210
The Fusion that covers most boats: color screen, USB, SiriusXM and chartplotter control in the standard Fusion cutout. It fits owners who want those features without paying Apollo prices.
Amazon $399.99$399.99
26 W x 4 RMS2Panel cutout
Rockford Fosgate PMX-5CAN
A two-zone, two-source dash receiver for a boat where the cockpit and the bow want different music. Buyers with a Raymarine display should budget for the PMX-CAN module.
Amazon $489.99$489.99
25 W x 4 RMS2Panel cutout
Compare
Compare the Fusion Apollo MS-SRX400 with any other marine stereo →
More from Fusion: every Fusion product ranked.