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Polk Audio UMS108SR 10" Marine Subwoofer Ultramarine Silver

Manufacturer

Polk Audio

<h3>Polk Audio: Five Decades of Audio Engineering Excellence</h3> <p>Founded in 1972 by Matthew Polk, George Klopfer, and Sandy Gross, Polk Audio has established itself as one of the most respected names in audio engineering. The American manufacturer is best known for its home and automobile speakers, delivering exceptional sound quality that resonates with enthusiasts and casual listeners alike. What began in a Baltimore house has evolved into a global audio powerhouse with over 50 years as a trusted name in high-performance audio.</p> <h3>Engineering Innovation and Patented Technologies</h3> <p>Polk Audio's reputation is built on a foundation of innovative acoustic engineering. The company pioneered the Stereo Dimensional Array (SDA) technology, which reduces speaker crosstalk to expand the stereo image beyond traditional boundaries. This patented approach creates a more immersive listening environment by ensuring cleaner channel separation. Their focus on excellent sound, fresh and attractive design, and premium craftsmanship is reflected in their extensive home and car audio lineup, making them a versatile choice for audio enthusiasts across multiple platforms.</p> <h3>Polk Audio for Your Vehicle</h3> <p>Polk entered the world of automotive audio in 1999, bringing their decades of acoustic expertise to the car audio market. Whether you're upgrading your factory sound system with premium <a href="/11551-polk-audio-polk-stereos-200788">Polk stereos</a> or enhancing your setup with quality <a href="/11551-polk-audio-electronics-parts-accessories-200363">electronics parts and accessories</a>, Polk delivers the clarity, power, and reliability that drivers demand. Their automotive products feature the same engineering principles that made them famous in home audio: clean frequency response, durable construction, and impressive sound staging.</p> <h3>Value-Driven Performance Philosophy</h3> <p>What sets Polk Audio apart is their commitment to accessible high-fidelity sound. While many audio companies chase premium price points, Polk has maintained a philosophy of delivering professional-grade performance at attainable prices. Today, Polk continues to delight its customers with value-packed solutions, ensuring that exceptional audio quality isn't reserved only for audiophiles with unlimited budgets. This approach has earned them a loyal following among car enthusiasts who want concert-quality sound without breaking the bank.</p> <h3>Built to Last</h3> <p>Polk Audio products are engineered for longevity. Their automotive speakers and electronics feature robust materials designed to withstand the unique challenges of vehicle environments—temperature fluctuations, vibration, and constant use. Many Polk owners report decades of reliable performance from their systems, a testament to the brand's commitment to build quality. When you invest in Polk Audio for your vehicle, you're choosing components backed by rigorous testing and a heritage of acoustic excellence that spans more than half a century.</p>

Part Number

UMS108SR
05/31/2036 7:32 PM
Sale Price

$269.99

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Product Details

The Polk Audio UMS108SR is a premium 10-inch marine subwoofer engineered to deliver deep, powerful bass in the harsh marine environment. Built with Polk's renowned weather-resistant construction, this subwoofer combines intelligent design with rugged durability to withstand sun, salt, and spray.

The UMS108SR features a mica-reinforced polypropylene cone that handles up to 350 watts RMS (700 watts peak) while maintaining excellent sound quality. The cast aluminum basket provides exceptional rigidity, reducing distortion and delivering clean, hard-hitting low-frequency performance. Its innovative air-suspension design eliminates the need for a separate enclosure, allowing flexible installation in any panel of your boat.

Key Features:

  • 10-inch marine-grade subwoofer with silver Ultramarine finish
  • Air-suspension design for free-air installation without enclosure
  • Mica-reinforced polypropylene cone for durability and performance
  • Cast aluminum basket for maximum rigidity and reduced distortion
  • High-temperature voice coil withstands extreme conditions
  • Snap-on grille installation option for easy mounting
  • Weather-resistant construction for marine environments

Technical Specifications:

  • Power Handling: 350 watts RMS, 700 watts peak
  • Sensitivity: 89.2 dB
  • Cutout Diameter: 8.8 inches
  • Mounting Depth: 5.71 inches

Package Includes:

  • One (1) 10" subwoofer
  • Snap-on grille
  • Mounting hardware
  • Installation manual

Sold individually. Perfect for upgrading your boat's audio system with deep, impactful bass that performs as well as it looks.

Found part I needed and easy to verify fitment

Shock arrived early, great price

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Ordering was easy and simple. I like that

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