About the Polk Audio MM 842 SVC
Advanced materials and engineering
Advanced materials and engineering
Polk Audio rethinks their legendary Mobile Monitor Series subs. Their MM1 Series subwoofers offer superior performance from lighter materials, so you'll get the impact you want without the extra weight of a conventional sub. They use advanced engineering and optimized components to reproduce your sound with uncompromising accuracy, and Polk built these marine-certified subs to take some serious abuse.
Efficient power handling
The MM 842 SVC 8" 4-ohm subwoofer handles up to 300 watts RMS, with a titanium-coated polymer cone that'll stand the test of time. The fiberglass-reinforced ABS basket resists flexing during heavy excursion, so your sub hits hard without distorting. The sub's inner workings are designed to handle the stress of heavy bass, so go ahead and turn it up.
This sub has earned Advanced Ultra-Marine certification and an IP56 rating, which means it'll deliver powerful bass in some challenging conditions. The composite cone, waterproof surrounds, stainless steel mounting hardware, and ABS basket all resist corrosion, and the sub even features weep holes for proper drainage.
To drive this single subwoofer, we recommend a mono amplifier rated between 225 and 450 watts RMS at 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.
- 8" 4-ohm subwoofer
- titanium-plated composite cone
- butyl rubber surround
- fiberglass-reinforced ABS basket
- certified for marine use
- power handling: 300 watts RMS
- peak power handling: 900 watts
- frequency response: 30-2000 Hz
- sensitivity: 85 dB
- top-mount depth: 4-1/8"
- grille not included
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # AA8842-A
What's in the box:
- One 8" subwoofer
- 1 Foam gasket
- Eight 1-3/8" Allen head stainless steel screws
- Two 7.5-amp ATO fuses (one installed/ one extra)
- Wiring diagram/ Specification sheet (English/ French/ Spanish/ German/ Italian)
- Fuse note (English/ French/ Spanish/ German/ Italian)
- Online registration information
More details on the Polk Audio MM 842 SVC
Features & specs
|Cone Material||Titanium-Plated Composite|
|Surround Material||Santoprene Rubber|
|Ideal Sealed Box Volume (cubic feet)||N/A|
|Ideal Ported Box Volume (cubic feet)||N/A|
|Port diameter (inches)||N/A|
|Port length (inches)||N/A|
|Dual Voice Coil||No|
85 dB at 1 watt |
|Frequency Response||30 - 200 Hz|
|Max RMS Power Handling||300|
|Peak Power Handling (Watts)||900|
|Top Mount Depth (inches)||4 1/16|
|Bottom Mount Depth (inches)||4 5/8|
|Cutout Diameter or Length (inches)||7 1/8|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
Terminals: The woofer has heavy duty spring terminals that will accept single banana plugs, pin connectors, and bare wire up to 10 gauge.
Ultra-Marine Certified: Polk MM Series speakers are built to withstand exposure to moisture and UV rays, so they work well in boats and cars (IP56 rated).
Dynamic Balance: Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion.
Sealed Box Volume: Polk recommends a sealed enclosure between 0.5 ft³ and 1.2 ft³.
Ported Box Volume: Polk recommends a ported enclosure between 0.66 ft³ and 1.2 ft³.
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