This 4-speaker bundle delivers extended coverage and power with Polk’s MM692 Ultra-Marine series. Built to resist harsh marine and automotive conditions, each speaker features a titanium-coated polypropylene woofer, dual Terylene dome tweeters, and IP56 certification for superior durability and long-lasting performance.
Key Features
- Sold as 2 pairs (4 speakers total)
- Power Handling (RMS): 150 W Each / 600 W Total
- Power Handling (Peak): 450 W Each / 1,800 W Total
- Nominal Impedance: 4 Ω
- Sensitivity: 94 dB @ 1 W / 1 m
- Frequency Response: 30 Hz – 40,000 Hz
- Top-mount Depth: ~3.07″ (78 mm)
- Cutout Dimensions: ~5.63″ × 8.42″
- 3-way design: 6″ woofer + 1″ tweeter + ¾″ super tweeter
- Ultra-Marine Certified (IP56): waterproof surrounds, corrosion-resistant baskets, drainage weep holes, epoxy-coated crossovers