Engineered for marine and automotive use, the MM522 delivers clear, powerful audio while withstanding water, salt, and UV exposure. With titanium-plated cones, Santoprene surrounds, pivoting tweeters, and Polk’s Dynamic Balance® design, these speakers are built to last in the harshest environments.
Key Features
- Sold as a pair (2 speakers)
- Power Handling (RMS): 100 W Each / 200 W Per Pair
- Power Handling (Peak): 300 W Each / 600 W Per Pair
- Impedance: 4 Ω nominal
- Sensitivity: 92 dB @ 1 W / 1 m
- Frequency Response: 50 Hz – 40,000 Hz
- Mounting Depth: ~2.37″ top / ~2.57″ bottom
- Cutout Diameter: ~4-5/8″
- Ultra-Marine Certified – IP56 waterproof, corrosion-resistant, drainage weep holes, epoxy-coated crossovers
- Pivoting 1″ Terylene tweeters for optimal sound direction
- Includes 2 grilles, mounting hardware & wiring harnesses