🌊 Feel the Wave, Own the Sound.
The Polk Audio MM842 SVC is a rugged 8-inch marine and car subwoofer delivering up to 900W peak power with a 30-200Hz frequency response. Featuring IP56 splash-proof certification, a polypropylene woofer cone, and Polk’s proprietary Dynamic Balance technology, it ensures deep, distortion-free bass in harsh environments. Designed for versatile connectivity and compact installation, it’s the ultimate upgrade for audiophiles who demand powerful sound on the go.
| Compatible with Vehicle Type | Car |
| Compatible Devices | Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop |
| Item Weight | 40.5 Ounces |
| Item Dimensions D x W x H | 11.9"D x 15.5"W x 10.2"H |
| Unit Count | 1.0 Count |
| Is Electric | No |
| Power Source | 12V |
| Impedance | 4 Ohm |
| Frequency Response | 200 KHz |
| Speaker Maximum Output Power | 900 Watts |
| Connectivity Technology | wired |
| Speaker Size | 8 Inches |
| Water Resistance Level | Water Resistant |
| MP3 player | No |
| Processor Count | 1 |
| Specific Uses For Product | Car, Marine |
| Controller Type | Voice Control |
| Color | Black |
| Is Waterproof | False |
| Warranty Type | Limited |
| Control Method | Voice |
| Audio Output Mode | Surround |
| Mounting Type | Top Mount,Marine Subwoofer,Car Mount,Boat Mount |
| Material Type | polypropylene |
| Speaker Type | Subwoofer |
| Additional Features | Waterproof |
| Recommended Uses For Product | car |
| Subwoofer Diameter | 8 Inches |
J**T
Awesome love them
It took a bit longer to get them but they’re really good you can’t get anything better than that for your money I would buy them all over again thank you
L**6
Best Sub's you can get
Polk has just about the best Sub's you can get unless of course you spend thousands of dollars. They have high power capacity, strong materials, and strong deep bass. I have used various Polk subs over the past 20 years and they have always performed better than expected.
L**O
Tight Bass
Nice and tight bass. Magnet is super heavy. Bought to replace a Polk 5.1 sub box speaker that was replaced with a non oem one. Now bass hits like it should
J**G
This thing hammers. Made a small enclosure in my Polaris ranger. It thumps 1000 watts all day long.
It is priced right. Hi quality sound. Tons off bump
A**R
Better than expected.
Installed in a power starved 98 Ford expedition factory system.Sub still sounds good (better than the factory OEM)
M**P
Quality item
As advertised. Quality product and sound
D**N
Was skeptical, now sold!
Bought to replace a blown sub for an in ground landscape unit. Such a better sound than previous sub. Night and day. I’m pressed with the quality and installation. Had to back my amp volume down 20-30%. Very happy
T**O
Excellent choice
Bought these to upgrade my OEM 8" woofers for my Polk Lsi-15s. Should have done it ages ago! Bass response is crisper, tighter, and has the punch that the factory woofs were lacking
Trustpilot
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