Fusion Apollo MS-RA770
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$744.79
The Fusion Apollo MS-RA770 rates 4.5 among dash and panel marine stereos; the Rockford Fosgate PMX-3 rates 2.9 among gauge-hole ones. The Rockford Fosgate PMX-3 costs $154.80 less ($589.99 vs $744.79).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Rockford Fosgate PMX-3
#2 in Gauge-holeFull review
The most complete Rockford gauge-hole receiver, for a wake boat or UTV dash with no room for a larger stereo.
Amazon $589.99$589.99
Scores side by side
These two sit in different mount classes (dash and panel and gauge-hole), and each is scored against the reference points for its own class, so a rating says how well each does among its own mount peers. How we rank explains each factor.
| Factor weight | Fusion Apollo MS-RA770 | Rockford Fosgate PMX-3 |
|---|---|---|
| Overall rating | 4.5/5 | 2.9/5 |
| Amplifier power 20% | 46 26 W RMS x 4 at 4 ohm | 42 25 W RMS x 4 at 4 ohm |
| Zones 15% | 100 4 zones | 0 single zone |
| Pre-amp outputs 10% | 100 8 RCA output sets | 14 2 RCA output sets at 2 V |
| Features 25% | 85 NMEA 2000, SiriusXM-ready, phone app, Wi-Fi or AirPlay 2, Bluetooth, USB playback | 50 SiriusXM-ready, weather band, Bluetooth, USB playback |
| Water rating 10% | 100 IPX6/IPX7 front | 70 IPX6 front |
| Display 10% | 100 4.3 in color touchscreen | 58 2.7 in color |
| Warranty 10% | 100 3-year warranty | 50 2-year warranty |
Specifications
| Fusion Apollo MS-RA770 | Rockford Fosgate PMX-3 | |
|---|---|---|
| Audio | ||
| Amplifier power (RMS, 4 ohm) | 26 W x 4 RMS | 25 W x 4 RMS |
| Zones | 4 | 1 |
| RCA output sets | 8 | 2 at 2 V |
| Sources and control | ||
| Bluetooth | Yes | Yes |
| USB playback | Yes | Yes |
| Phone app | Yes | No |
| SiriusXM-ready | Yes | Yes |
| NMEA 2000 | Yes | No |
| Wi-Fi or AirPlay 2 | Yes | No |
| Weather band | No | Yes |
| DAB+ | Yes | No |
| CD player | No | No |
| Camera input | No | Yes |
| Build | ||
| Mount | Panel cutout | Gauge hole |
| Front water rating | IPX6/IPX7 | IPX6 |
| Display | 4.3 in color touch | 2.7 in color |
| Warranty | 3 years | 2 years |