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Ships within 48 hours · Estimated delivery Oct 8 - Oct 13
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Description
Polk Audio MM692 6"x9” Mobile Monitor Series 150W RMS | 450W Max 3-Way Coaxial Car/Marine Speakers (Pair)Polk Audio MM692 Pair of 69 Ultra Marine 3 Way Speakers 150 W RMS 450 W Peak (Each) 4 These 3 way speakers are engineered for both performance and durability. With titanium coated polypropylene woofers, dual Terylene dome tweeters (1 + ), and full Ultra Marine certification (IP56), they resist corrosion, moisture, and UV while delivering full range audio performance from 30 Hz to 40 kHz. Key Features Sold as a pair Power Handling (RMS): 150 W Each 300
Polk Audio MM692 – Pair of 6″×9″ Ultra-Marine 3-Way Speakers – 150 W RMS / 450 W Peak (Each) – 4 ΩThese 3-way speakers are engineered for both performance and durability. With titanium-coated polypropylene woofers, dual Terylene dome tweeters (1″ + ¾″), and full Ultra-Marine certification (IP56), they resist corrosion, moisture, and UV while delivering full-range audio performance from 30 Hz to 40 kHz.
Key Features
- Sold as a pair
- Power Handling (RMS): 150 W Each / 300 W Per Pair
- Power Handling (Peak): 450 W Each / 900 W Per Pair
- Impedance: 4 Ω nominal
- 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, epoxy crossovers, drainage weep holes
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Nice
Color: 06 - Aqua Gray, Size: Queen (2 Pillowcases)
Best pillow I’ve had stays cool and the pillow cases are super soft
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
★★★★★ 5
Best pillows!
Color: 01 - White, Size: Queen (2 Pillowcases)
Best pillow ever! Worth every penny. Very comfortable. Keeps its shape and supports my neck. I bought 4 of them.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Worth the price.
Color: 03 - Gray, Size: Queen (2 Pillowcases)
Only on one side. I use with cooling pillow slip and it helps. I like the thickness and density compared to the pricey Columbia pillows. But Columbia has better outer materials and is cool on both sides.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Recommend
Color: 01 - White, Size: Queen (2 Pillowcases)
Very good. My pillows were so old. Machine washable. Notice the name Beckham. Yes, it's really him.
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Reviewed in the United States on May 21, 2026
★★★★★ 4
they work
Color: 03 - Gray, Size: Queen (2 Pillowcases)
I've been searching for cooling pillowcases for a long time. None ever seemed to fit the bill until I found these. Now, let's be clear, they are cool to sleep on for a good amount of time, but you will have to flip them occasionally throughout the night to keep getting that cold feeling. All in all, as a person whose face runs hot when I sleep, these cases have made my nights more bearable, and I do believe they are helping with my skin issues.
As far as good value for the money, I think they are a little costly.
Color was comparable to the online photo.
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Reviewed in the United States on March 18, 2026