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
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.
- 25 W x 4 RMSPower
- 4Zones
- IP66Water rating
- 3 in colorDisplay
Price checked November 7, 2026. As an Amazon Associate we earn from qualifying purchases.
- Four zones of pre-outs, two of them amplified
- NMEA 2000 certified for Garmin, Lowrance and Simrad displays
- SiriusXM-ready with a NOAA weather band
- 3 in color screen
- Only a 1-year warranty
- No app control or Wi-Fi
The Clarion CMM family
Every Clarion CMM model we rank, smallest first. Ratings compare each against its own mount.
| Model | Power | Rating | Price |
|---|---|---|---|
| Clarion CMM-20 | 25 W x 4 RMS | 2.6/5 | $206.77 |
| Clarion CMM-30 (this one) | 25 W x 4 RMS | 3.6/5 | $427.86 |
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 | CMM-30 (010-03224-00) |
|---|---|
| Audio | |
| Amplifier power (RMS, 4 ohm) | 25 W x 4 RMS |
| Zones | 4 |
| RCA output sets | 4 |
| Sources and control | |
| Bluetooth | Yes |
| USB playback | Yes |
| Phone app | No |
| SiriusXM-ready | Yes |
| NMEA 2000 | Yes |
| Wi-Fi or AirPlay 2 | No |
| Weather band | Yes |
| DAB+ | No |
| CD player | No |
| Camera input | No |
| Build | |
| Mount | Panel cutout |
| Front water rating | IP66 |
| Display | 3 in color |
| Warranty | 1 year |
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 $549.99The 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 $399.99Compare
Compare the Clarion CMM-30 with any other marine stereo →
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