- It is ASTM certified for salt, fog and UV protection
- The 89 dB sensitivity is below average, which means it lacks the volume output of better marine speakers
- The Rockford Fosgate Prime RM1652 is one of the few marine speakers with Klippel certification for high audio quality. That said, it didn't receive high marks in our audio performance tests. While it has comprehensive marine-grade certification for salt...
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