Hero image 0 of (2) Polk Audio MM 1242 DVC 12” 2520 Watt Subwoofers+Sealed Enclosure Box+Rockmat, 0 of 11

(2) Polk Audio MM 1242 DVC 12” 2520 Watt Subwoofers+Sealed Enclosure Box+Rockmat

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Key item features

PACKAGE INCLUDES – (2) MM1242SVC 12” 1260W Single 4-Ohm Car/Marine Subwoofers, (1) Rockville RD12 Dual 12” 1.25 Cu.Ft. MDF Sealed Subwoofer Enclosure, (1) Rockville Rockmat RM12-B 12 Sq Ft Sound Dampening Kit, 20 Drywall Wood Screws, 20 Feet of 14 AWG Blue Speaker Wire, (4) Spade Terminals.
POWERFUL AND PRECISE BASS OUTPUT – The MM1 Series 12” subwoofers deliver deep, accurate bass with Dynamic Balance technology, high-excursion motors, and oversized voice coils. Designed for 1260W peak power and 420W RMS per sub, these subs enhance low-frequency response with clarity and punch.
MARINE-GRADE DURABILITY FOR ALL ENVIRONMENTS – Built for cars, boats, and off-road vehicles, these subs feature IP56-rated waterproofing, non-corrosive fiberglass ABS baskets, and UV-resistant cones for long-lasting performance in harsh conditions.
SEALED ENCLOSURE FOR TIGHTER BASS RESPONSE – The Rockville RD12 dual sealed subwoofer box is built from 3/4” USA MDF with precision-cut mounting holes for a snug fit. Designed for cleaner, more controlled bass, this enclosure minimizes distortion and flex for optimal sound quality.
SOUND DAMPENING FOR IMPROVED AUDIO CLARITY – The Rockville Rockmat RM12-B sound dampening kit eliminates rattles and vibrations, improving bass clarity and volume. The high-quality butyl rubber and aluminum insulation reduce unwanted noise, enhancing your vehicle’s audio performance.

Specs

Rms power rating
420 W
Woofer size
12 in
Subwoofer type
Subwoofer
Brand
Polk Audio
Subwoofer enclosure type
Sealed
Impedance
4 ohm

Current price is $341.80

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Product details

Package Includes:

(2) Polk 12” Car/Marine Audio Subwoofers
(1) Rockville Dual 12” 1.25 cu.ft. 3/4” MDF Sealed Subwoofer Enclosure Sub Box
(1) Rockville Rockmat RM12-B 12 Sq Ft Sound Dampening/Deadening Butyl Rubber Car Kit
20 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal)
20 Feet of 14 AWG Blue Speaker Wire
4 Spade Terminals

Features of Polk Subs:

Polk Audio MM1242SVC 12” 1260 Watt Single 4-Ohm Car/Marine Audio Subwoofer Sub
Driver Compliment: 12" (304.8mm)
Cutout Dimensions: 11" (282mm)
Mounting Height: 0.55" (14.06mm)
Mounting Depth (Top): 4.64" (118mm)
Mounting Depth (Bottom): 5" (132mm)
Peak Power Handling: 1260 Watts
Continuous Power Handling: 420 Watts RMS
Nominal Impedance: 4 Ohms
Frequency Response: 26Hz-200kHz
Sensitivity: 87 dB
Magnet Weight: 54.4 oz
Magnet Material: Ceramic
Magnet Size: 140mm x 60mm x 25mm
VC Diameter: 2"
Enclosure Volumes:
Minimum Sealed: 1.25 cu. ft.
Maximum Sealed: 3.5 cu. ft.
Minimum Vented: 1.75 cu. ft.
Maximum Vented: 2.25 cu. ft.

Features of Rockville Enclosure:

Rockville RD12 Dual 12" Sealed Subwoofer Enclosure
Proudly Made In The USA, Using Only The Finest Quality Materials - For The Best Level of Performance From Your Subs!
3/4" USA Heavy Duty MDF Construction
Machine precision cut mounting holes
Top of the line Glue for extra durable adhesion
Designed, tested, and engineered to work with most of today’s popular woofers. These enclosures are built with the quality additives needed to maximize the performance of any sound system.

Complete Dual Subwoofer Enclosure Installation Kit!

This accessory package includes everything you need to install two subwoofers into an enclosure, and wire your enclosure to your amplifier.

Features of RM12-B:

Rockville Rockmat RM12-B 12 Sq Ft Sound Dampening/Deadening Butyl Rubber Car Kit
Contains 4 sheets of sound damping material – Each sheet is 12" inch x 36" inch (3 sq. ft. per sheet)
Paintable Surface
Recommended for use as a door kit or trunk lid kit
Increases SPL – The use of our Rockmat will not only make your sound more clear and eliminate distortion but it will make your music louder by
Eliminates sound leakage!
Improves Bass Quality and Reduces Bass Distortion
Kill unwanted noise, rattles, vibrations
Reduce exhaust and engine noise
Aluminum-coated for heat-resistance
72mil thickness
Full car installation reduces unwanted noises 5-8 dB
We use the highest quality high-tack self-adhesive to make your installation quick and easy!
Our model has new and improved increased flexibility for an easier installation and top sound quality!
Permanent installation with ability to withstand even the highest temperatures!
Waterproof material! Our material is very durable. It is waterproof, heat proof and flexible
Sticks to any surface
Designed and engineered by Rockville USA!
Manufactured with the newest state-of-the-art machinery using only the purest raw materials as well!
Every product is checked during production for consistency. We have very high quality standards!
We use very high quality butyl rubber which gives amazing sound insulation and shock absorption. W

PACKAGE INCLUDES – (2) MM1242SVC 12” 1260W Single 4-Ohm Car/Marine Subwoofers, (1) Rockville RD12 Dual 12” 1.25 Cu.Ft. MDF Sealed Subwoofer Enclosure, (1) Rockville Rockmat RM12-B 12 Sq Ft Sound Dampening Kit, 20 Drywall Wood Screws, 20 Feet of 14 AWG Blue Speaker Wire, (4) Spade Terminals.
POWERFUL AND PRECISE BASS OUTPUT – The MM1 Series 12” subwoofers deliver deep, accurate bass with Dynamic Balance technology, high-excursion motors, and oversized voice coils. Designed for 1260W peak power and 420W RMS per sub, these subs enhance low-frequency response with clarity and punch.
MARINE-GRADE DURABILITY FOR ALL ENVIRONMENTS – Built for cars, boats, and off-road vehicles, these subs feature IP56-rated waterproofing, non-corrosive fiberglass ABS baskets, and UV-resistant cones for long-lasting performance in harsh conditions.
SEALED ENCLOSURE FOR TIGHTER BASS RESPONSE – The Rockville RD12 dual sealed subwoofer box is built from 3/4” USA MDF with precision-cut mounting holes for a snug fit. Designed for cleaner, more controlled bass, this enclosure minimizes distortion and flex for optimal sound quality.
SOUND DAMPENING FOR IMPROVED AUDIO CLARITY – The Rockville Rockmat RM12-B sound dampening kit eliminates rattles and vibrations, improving bass clarity and volume. The high-quality butyl rubber and aluminum insulation reduce unwanted noise, enhancing your vehicle’s audio performance.

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Specifications

Rms power rating

420 W

Woofer size

12 in

Subwoofer type

Subwoofer

Brand

Polk Audio

Warranty

Warranty information

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