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CLEARANCE Polk AudioMM 842 SVC 8” Single Voice Coil Subwoofer with Ultra Marine Certification

8 Questions, 8 Answers or
Polk Audio
Part #243-309

CLEARANCE Polk AudioMM 842 SVC 8” Single Voice Coil Subwoofer with Ultra Marine Certification

Polk Audio
Part #243-309  
Model: MM842 SVC
8 Questions, 8 Answers or
The Polk MM842 SVC 8” Subwoofer is designed for ultimate fidelity in any installation. The use of glass-fiber formers, oversized voice coils, high-temp Conex spiders and extensive venting combine to create more efficiency, increased power handling, better linearity, lower distortion and greater durability. The ultra-marine certification ensures long lasting performance in your car, boat, motorcycle or ATV. 
Key Features
  • Ultra-Marine Certified (IP56 rated) for extra long lasting protection
  • Multi-layered voice coil for increased efficiency and power handling
  • High excursion bumped back plate
  • Integrated fuses for added protection
  • 1-Year limited warranty
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Overview

Polk AudioMM 842 SVC 8” Single Voice Coil Subwoofer with Ultra Marine Certification

Polk AudioMM 842 SVC 8” Single Voice Coil Subwoofer

Designed To Perform

The features of the MM1 series speakers are endless. Polk’s patented Dynamic Balance technology ensures the cleanest audio playback due to the use of non-resonant materials throughout, with titanium plated composite woofer cones and corrosion resistant composite baskets. Finally, the Ultra-Marine certification means these speakers can be installed in cars, boats, motorcycles, ATV’s and more, all while holding up to the most extreme elements. 

Key Specs:

 
 
  • Nominal Diameter:  8"
  • Power Handling (RMS): 300 Watts
  • Power Handling (MAX): 900 Watts
  • Impedance: 4 Ω  
  • Frequency Response: 30-200 Hz
  • Sensitivity: 85dB 2.83V/1m
 
 

Premium Upgrade

 

Tuned for the total sonic accuracy you get in a studio subwoofer, the MM1 Series reconfigures this kind of high-quality deep bass impact for an on-the-go listening experience that totally outperforms your OEM factory setup.

 

Ultra Marine Certified

 

Featuring an IP56 rating that’s dirt- and water-resistant it includes a non-corrosive fiberglass reinforced ABS basket, a water-proof surround, weep holes for proper drainage and a composite cone for extra, long-lasting protection against the elements—all of it salt-fog and UV tested.

 

Waterproof Santoprene Surround & Fiberglass Basket

 

This attractive high performance material maximizes throw with its ultra-flexible, ultra-durable properties—and prevents the elements from entering the speaker unit. Plus, it combats the harsh effects of boat cleaning agents. 

Offers heavy-duty protection for back half of the speaker, which helps prevent corrosion and general wear and tear.

 

Shop All Polk Audio

 

Based in the United States, Polk Audio products are designed and engineered in-house and have received numerous awards and patents over the years. Polk Audio is, and always has been, focused on giving you the absolute best sound for your money – and believes in Great Sound for All.

Shop All Polk Audio
 
 
 

Why Polk

Five Decades of American Loudspeaker Manufacturing

 

DB+ Series Subwoofers benefits from decades of Polk’s premium loudspeaker engineering experience and were designed at our original Acoustic Research and Development facility in Owings Mills, Maryland. Their goal since 1972 has been to build great speakers that not only play loud, but also play crystal clear sound with effortless bass. The result of this 50-year engineering heritage is best-in-class subwoofers backed by numerous awards, patents, and fans like you.

Polk achieved this by constant innovation and by leaving nothing to chance. Accessibly priced, built to exceed our patented quality-testing process, and designed to provide Polk’s legendary effortless bass, DB+ Series Subwoofers fulfill the Polk promise of great sound for all.

 
 
 

 

Product Details

BrandPolk Audio
ModelMM842 SVC
Part Number243-309
UPC747192128111
Unit of MeasureEach
Weight9.05

Product Specifications

Nominal Diameter8"
Power Handling (RMS)300 Watts
Power Handling (MAX)900 Watts
Impedance4Ω
Frequency Response30 to 200Hz
Sensitivity85dB 2.83V/1m

Mounting Information

# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.85ft³
Vented Volume1.2ft³

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