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1971 Mercury Comet

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Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Overview Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Universal-Fit Audio for 1971 Mercury Comet

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

Better sound with your factory radio

Better sound with a factory radio

Love your factory look or can't replace the stereo? We got you covered.

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Price Range
Number of Subwoofers
This value represents the number of subwoofers that the enclosure accommodates or that are included in the package or bundled kit.
Box Type
Represents the style of the enclosure. Be sure to purchase the appropriate enclosure type and internal volume that will be compatible with your subwoofer's recommendation.

Sealed - Sealed boxes are those that have no holes or vents in it. The only hole in a sealed box is where the subwoofer is installed. Smaller sealed boxes require more power than a larger sealed box. They provide a tight, accurate bass, while the larger sealed enclosures provide a "boomier" and louder bass.

Ported / Vented - Ported/Vented Enclosures provide an even boomier, louder bass, but less accurate then a small, sealed box. Ported enclosures typically require more airspace per sub and also less power output from an amplifier to perform correctly.

Bandpass - Bandpass enclosures make subwoofers perform efficiently, but loose. The bass is not as "boomy" as a ported enclosure nor as punchy as a sealed enclosure. Bandpass enclosures work well with lower to mid-level subwoofers.
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Box Style/Shape
The box style or shape refers to the actual shape of the box. Square and rectangular boxes are straight-edged boxes on all sides, whereas hatchback and truck style enclosures feature an angled front or back design that allows for installation in places short on depth such as single cab pickup trucks. You can also use such enclosures in hatchback cars or other vehicles where space is a premium. Tube and cylinder shaped boxes were made popular by Bazooka and are a great option for those looking for a nice amount of bass without sacrificing lots of space. They may even fit in locations that slim truck boxes cannot fit in. If the enclosure is vehicle specific, we encourage you to read the product description to find out which vehicles the enclosure is made for.
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Condition
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Limited time!

NVX NE82P w/ Alpine S2-W8D4

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/8" S-Series Dual 4-ohms Car Subwoofer

NE82P_S2W8D4 big
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NVX NE82P w/ Alpine S2-W8D4

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/8" S-Series Dual 4-ohms Car Subwoofer

• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.5 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!
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3
List price $631.99
-29% $447.89

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• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.5 cubic feet
• Premium Black Carpet with Black NVX Logo

Hertz MP 300 D2.3 + Free 12" Sealed Enclosure

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

MP 300 D2.3, MDFS12 big DISCONTINUED
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Hertz MP 300 D2.3 + Free 12" Sealed Enclosure

12" Mille Pro Series DVC 1200W Dual 2 Ohm Car Subwoofer

• 1200 Watts Max
• 600 Watts RMS
• Pressed-pulp cone with mineral powders cone material
• Aluminum alloy basket
• 2 Ohm Impedance
• Top-mount depth: 6-1/2"

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• 1200 Watts Max
• 600 Watts RMS
• Pressed-pulp cone with mineral powders cone material
• Aluminum alloy basket
• 2 Ohm Impedance
• Top-mount depth: 6-1/2"

NVX - Worth the Envy - Direct to Consumer Car Audio
Limited time!

NVX NE82P w/Sundown Audio E V.6 8" D2

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/300W RMS 8" E Series Dual 2-ohm Subwoofer

NE82P_EV68D2 big
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NVX NE82P w/Sundown Audio E V.6 8" D2

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/300W RMS 8" E Series Dual 2-ohm Subwoofer

• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.5 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!
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2
List price $539.97
-16% $451.97

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Only 2 Left!

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• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.5 cubic feet
• Premium Black Carpet with Black NVX Logo

Lowest price in 30 days

(2) Rockford Fosgate P3D4-15 with Ported Dual Enclosure

(2) 1200 Watt Peak (600W RMS) 15" Punch P3 Series Dual 4-Ohm Car Subwoofer

(2) P3D4-15, 15DQV big
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(2) Rockford Fosgate P3D4-15 with Ported Dual Enclosure

(2) 1200 Watt Peak (600W RMS) 15" Punch P3 Series Dual 4-Ohm Car Subwoofer

• 1200W Peak
• 600W RMS
• Anodized Aluminum Heat Sinking Cone
• Santoprene Vertical Attach Surround Technique
• 4-Layer 2-1/2" Voice Coil
• Proprietary Spider Venting
• Includes Ported Dual Enclosure

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69
List price $879.97
-29% $623.99

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Alpine SWT-10S2 with Sealed Truck Enclosure

1000W Peak 10" SWT Series Single 2-ohm Shallow Mount Subwoofer

SWT-10S2, 10TK big
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Alpine SWT-10S2 with Sealed Truck Enclosure

1000W Peak 10" SWT Series Single 2-ohm Shallow Mount Subwoofer

• Peak Power: 1000W
• RMS Power: 350W
• Poly-Mica Dust Cap & Pulp-Kevlar
• Polyurethane Foam Surround w/ H.A.M.R. Surround Technology
• Includes Sealed Truck Enclosure

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4
List price $399.99
-24% $305.44

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Limited time!

NVX NE101S w/ Rockford Fosgate Power T1 T1D210

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 10" Power Series Dual 2-ohm Car Subwoofer

NE101S_T1D210 big
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NVX NE101S w/ Rockford Fosgate Power T1 T1D210

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 10" Power Series Dual 2-ohm Car Subwoofer

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!
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9
List price $563.98
-5% $535.98

In stock

Only 2 Left!

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• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

NVX NE102P w/ Kicker CWRT102 (48CWRT102) (Sold Individually)

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ CompRT Shallow Subwoofer

NE102P_48CWRT102 big
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NVX NE102P w/ Kicker CWRT102 (48CWRT102) (Sold Individually)

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ CompRT Shallow Subwoofer

• 10" Dual Ported Subwoofer Enclosure
&bull 3/4" Medium Density Fiberboard (MDF) construction
&bull Internal box volume: 2.90 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!
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3
List price $635.97
-28% $455.91

In stock.

Add to Cart

• 10" Dual Ported Subwoofer Enclosure
&bull 3/4" Medium Density Fiberboard (MDF) construction
&bull Internal box volume: 2.90 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

NVX NE102P w/ Kicker CWRT104 (48CWRT104) (Sold Individually)

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ 800W Peak (400W RMS) 10” CompRT Series Dual 4-ohm Shallow Subwoofer

NE102P_48CWRT104 big Out of stock
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NVX NE102P w/ Kicker CWRT104 (48CWRT104) (Sold Individually)

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ 800W Peak (400W RMS) 10” CompRT Series Dual 4-ohm Shallow Subwoofer

• 10" Dual Ported Subwoofer Enclosure
&bull 3/4" Medium Density Fiberboard (MDF) construction
&bull Internal box volume: 2.90 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!

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7
List price $635.97
-28% $455.91
Add to Cart

• 10" Dual Ported Subwoofer Enclosure
&bull 3/4" Medium Density Fiberboard (MDF) construction
&bull Internal box volume: 2.90 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

NVX NE121P w/ Kicker 50CVX124 (Sold Individually)

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 1500W Peak (750W RMS) 12" CompVX Series Dual 4-ohms Subwoofer

NE121P_50CVX124 big
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NVX NE121P w/ Kicker 50CVX124 (Sold Individually)

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 1500W Peak (750W RMS) 12" CompVX Series Dual 4-ohms Subwoofer

• [12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.00 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!
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6
List price $469.98
$456.94

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• [12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.00 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

NVX NE121P w/ Sundown Audio LCS V.2 12" D4

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 1000W Peak (500W RMS) 12" LCS Series Dual 4-ohm Subwoofer

NE121P_LCSV212D4 big
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NVX NE121P w/ Sundown Audio LCS V.2 12" D4

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 1000W Peak (500W RMS) 12" LCS Series Dual 4-ohm Subwoofer

• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.75 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!
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6
List price $329.98
-36% $209.55

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• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.75 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

NVX NE101S w/ Rockford Fosgate Power T1 T1D410

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 10" Power Series Dual 4-ohm Car Subwoofer

NE101S_T1D410 big
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NVX NE101S w/ Rockford Fosgate Power T1 T1D410

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo w/ 10" Power Series Dual 4-ohm Car Subwoofer

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

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7
List price $563.98
-5% $535.98

In stock

Only 3 Left!

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• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

NVX VCW102 + Sealed Enclosure and Speaker Wire

1000W RMS 10" Dual 2-Ohm Car Subwoofer + Sealed Enclosure and Speaker Wire

VCW102_MDFS10 big
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NVX VCW102 + Sealed Enclosure and Speaker Wire

1000W RMS 10" Dual 2-Ohm Car Subwoofer + Sealed Enclosure and Speaker Wire

• RMS Power: 1000 Watts
• 3” 4-Layer High Temperature Black Aluminum Voice coil
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll foam surround with black nylon stitching
• 165 oz. Triple-stacked High Energy ferrite magnet
• Die Cast aluminum vented basket
• Includes Sealed Subwoofer Enclosure

Purchase $400 or More of NVX and Save 15%!
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194
List price $318.97
-26% $236.97

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Lowest price in 30 days

2) Rockford Fosgate P3S-1X12 12" 1600W Shallow Loaded Subwoofers Sub Enclosures

800W Max (400W RMS) 12" Punch Stage 3 Sealed Truck-Style Loaded Enclosure Package

P3S-1X12 2 Pack big
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2) Rockford Fosgate P3S-1X12 12" 1600W Shallow Loaded Subwoofers Sub Enclosures

800W Max (400W RMS) 12" Punch Stage 3 Sealed Truck-Style Loaded Enclosure Package

• 400 Watts RMS
• 800 Watts Max
• Sealed Truck-Style Enclosure
• Kevlar Fiber Semi-Pressed Paper Cone
• M-Roll Santoprene surround
• StampCast basket with integrated spider venting
• 2.5" Dual 2 ohm Voice Coil with spun-laced Nomex insulating collar
• Dual linear spider with embedded 16 AWG tinsel leads

Save 15% Off Package Deals at Checkout!
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8
List price $819.98
-10% $739.98

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Only 1 Left!

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DS18 IXS10.4D with Sealed Truck Enclosure

1200W Peak (600W RMS) 10" IXS Series Dual 4-Ohm Car Subwoofer

IXS10.4D, 10TK big
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DS18 IXS10.4D with Sealed Truck Enclosure

1200W Peak (600W RMS) 10" IXS Series Dual 4-Ohm Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Paper Cone
• Rubber Surround
• Impedance: Dual 4 ohm
• Includes Sealed Truck Enclosure

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4
List price $339.94
-14% $292.81

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Limited time!

NVX NE121P w/ Kicker 50CVX122 (Sold Individually)

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 1500W Peak (750W RMS) 12" CompVX Series Dual 2-ohms Subwoofer

NE121P_50CVX122 big
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NVX NE121P w/ Kicker 50CVX122 (Sold Individually)

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 1500W Peak (750W RMS) 12" CompVX Series Dual 2-ohms Subwoofer

• [12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.00 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!
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3
List price $469.98
$456.94

In stock

Add to Cart

• [12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.00 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

NVX NE102P w/ Rockford Fosgate Punch P2 P2D4-10

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ 10" Punch Series Dual 4-ohm Car Subwoofer

NE102P_P2D410 big Out of stock
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NVX NE102P w/ Rockford Fosgate Punch P2 P2D4-10

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ 10" Punch Series Dual 4-ohm Car Subwoofer

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.90 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!

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27
List price $515.97
-18% $423.97
Add to Cart

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.90 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

NVX NE102P w/ Rockford Fosgate Prime R2 R2SD2-10

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/10" Prime Series Dual 2-ohm Shallow Car Subwoofer

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NVX NE102P w/ Rockford Fosgate Prime R2 R2SD2-10

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/10" Prime Series Dual 2-ohm Shallow Car Subwoofer

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.90 cubic feet
• Premium Black Carpet with Black NVX Logo

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• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.90 cubic feet
• Premium Black Carpet with Black NVX Logo

Limited time!

NVX NSW102v3 10" 700W Car Subwoofer + Belva MDFS10 Enclosure

350W RMS 700W Peak 10" N-Series V3 Dual 2-Ohm Car Subwoofer + 10" Sealed MDF Enclosure

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NVX NSW102v3 10" 700W Car Subwoofer + Belva MDFS10 Enclosure

350W RMS 700W Peak 10" N-Series V3 Dual 2-Ohm Car Subwoofer + 10" Sealed MDF Enclosure

• RMS Power: 200-350W
• Ultra-Light Non Pressed Paper Cone
• Custom Blended Foam Surround

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DS18 GEN-X124D with Truck Style Enclosure

900W Peak (450W RMS) Gen-X Series 12” 4-Ohm Subwoofer

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DS18 GEN-X124D with Truck Style Enclosure

900W Peak (450W RMS) Gen-X Series 12” 4-Ohm Subwoofer

• Peak Power: 900 watts
• RMS Power: 450 watts
• Paper Cone
• Foam Surround
• Impedance: Dual 4 ohm
• Sensitivity: 87.5 dB

• Includes Sealed Truck Style Enclosure

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NVX NE82P w/ Sundown Audio XV38D4

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/ 800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer

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NVX NE82P w/ Sundown Audio XV38D4

Dual 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/ 800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer

• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.5 cubic feet
• Premium Black Carpet with Black NVX Logo

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

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• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.5 cubic feet
• Premium Black Carpet with Black NVX Logo

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    FAQ for Universal-Fit Audio & Electronics in 1971 Comet

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1971 Mercury Comet?

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