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Polk Audio MM842SVC, MM 8" Single 4 Ohm Voice Coil Car, Marine, ATV Subwoofer
MM1 Series
MM1 is the next generation of our highly-acclaimed Mobile Monitor series—conceived, designed and engineered to deliver premium audio with thunderous bass, enhanced sonic detail and ultra-durable construction. It’s the one crafted for full-on powerful sound, no matter what vehicle you’re in. Hear rich high-fidelity wherever you go with our Dynamic Balance technology, and enjoy more audible throw, increased power handling and minimized air chuffing—all housed in an IP56 rated enclosure that’s Ultra-Marine Certified.
Advanced High Performance Bass
Every element of the MM1 Series is meticulously engineered for thunderous bass, enhanced sonic detail and ultra-durable construction—Dynamic Balance technology, a high excursion bump stack motor structure, glass fiber formers, multilayered and oversized voice coils, high-temp Conex spiders, a vented pole and basket structure, and integrated fuses.
High Excursion Bump Stack Motor
Enjoy more audible throw for a deep bass experience that’s bound to excite your senses.
Multilayered Voice Coil
Provides increased motor strength for tighter, more accurate sound.
Glass Fiber Formers, Oversized Voice Coils and High Temperature Conex Spiders
All three combine to create a high efficiency driver, for clean, clear bass, increased power handling, better linearity, lower distortion and greater durability.
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.
Non-corrosive Fiberglass Reinforced Baskets
Offers heavy-duty protection for back half of the speaker, which helps prevent corrosion and general wear and tear.
Waterproof Santoprene Surround
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.
| Weather Resistance | IP56 |
|
Size |
8-inch |
|
Voice Coil |
Single |
|
Impedance |
4 ohm |
|
RMS Power Rating (Watts) |
300 |
|
Peak Power Rating (Watts) |
900 |
| Cone Material |
Titanium-Plated Composite |
| Surround Material |
Santoprene Rubber |
| Free Air |
No |
| Sensitivity |
85dB @ 1 Watt |
| Frequency Response |
30-200hz |
|
Top Mount Depth (Inches) |
4 1/16 |
| Bottom Mount Depth (Inches) |
4 5/8 |
| Cutout Diameter (Inches) |
7 1/8 |
| Vas (liters) |
|
| Fs (Hz) |
|
| Xmax (millimeters) |
|
| Warranty |
1 Year |
| Weather Resistance | IP56 |
|
Size |
8-inch |
|
Voice Coil |
Single |
|
Impedance |
4 ohm |
|
RMS Power Rating (Watts) |
300 |
|
Peak Power Rating (Watts) |
900 |
| Cone Material |
Titanium-Plated Composite |
| Surround Material |
Santoprene Rubber |
| Free Air |
No |
| Sensitivity |
85dB @ 1 Watt |
| Frequency Response |
30-200hz |
|
Top Mount Depth (Inches) |
4 1/16 |
| Bottom Mount Depth (Inches) |
4 5/8 |
| Cutout Diameter (Inches) |
7 1/8 |
| Vas (liters) |
|
| Fs (Hz) |
|
| Xmax (millimeters) |
|
| Warranty |
1 Year |
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to