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  1. Home
  2. Car Audio & Electronics
  3. Car Subwoofers
  4. Car Subwoofer Boxes
  5. Car Subwoofers with a Box (Loaded Sub Boxes)
  6. Ported Enclosure Boxes with Car Subwoofers

Ported Enclosure Boxes with Car Subwoofers

Ported and vented sub boxes are engineered for superior airflow and enhanced bass response. Ported enclosuers can require a bit more space at times compared to a sealed sub box, but these enclosures deliver rich, powerful sound for a truly immersive listening experience.

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Subwoofers with a box ✕
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Subwoofers with a box,
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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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Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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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

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1
List price $1067.97
-16% $891.97

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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

NVX NE102P w/ NVX YSW102

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

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NVX NE102P w/ NVX YSW102

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

• RMS Power: 500 watts
• Impedance: Dual 2 ohm
• Enhanced Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 5.36"
• Sensitivity: 85 dB

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-24% $389.97

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• RMS Power: 500 watts
• Impedance: Dual 2 ohm
• Enhanced Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 5.36"
• Sensitivity: 85 dB

NVX NE102P w/ Kicker 52CVT104

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ 750W Peak (375W RMS) 10" CompVT Series Single 4-ohm Shallow Subwoofer

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NVX NE102P w/ Kicker 52CVT104

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ 750W Peak (375W RMS) 10" CompVT Series Single 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

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List price $555.97
-17% $463.97

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• 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

NVX NE81P w/Sundown Audio U-8 D4 8" (U8D4)

Single 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.75 Cu. Ft. with Polyfil and NVX Logo w/600W RMS 8" U Series Dual 2-ohm Car Subwoofer

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NVX NE81P w/Sundown Audio U-8 D4 8" (U8D4)

Single 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.75 Cu. Ft. with Polyfil and NVX Logo w/600W RMS 8" U Series Dual 2-ohm Car Subwoofer

• 8" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .75 cubic feet
• Premium Black Carpet with Black NVX Logo

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1
List price $509.98
-20% $409.98

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• 8" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .75 cubic feet
• Premium Black Carpet with Black NVX Logo

Atrend 12TKDV with (2) NVX SMW12D4 Subwoofers

Dual 12" Vented Truck Enclosure with (2) 400W RMS Shallow-Mount 12" Dual 4-Ohm Subwoofer

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Atrend 12TKDV with (2) NVX SMW12D4 Subwoofers

Dual 12" Vented Truck Enclosure with (2) 400W RMS Shallow-Mount 12" Dual 4-Ohm Subwoofer

• 800 watts Watts Peak
• 400 watts Watts RMS
• Carbon Fiber Reinforced Polypropylene Cone
• Butyl Rubber Surround
• Includes Depth Extension Clearance Plate
• Mounting Depth: 3-15/16"

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List price $473.97
-32% $319.93

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NVX NE101P w/ Kicker 51CWQ104 (Sold Individually)

Single 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/ 1600W Peak (800W RMS) 10" CompQ Subwoofer

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NVX NE101P w/ Kicker 51CWQ104 (Sold Individually)

Single 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo w/ 1600W Peak (800W RMS) 10" CompQ Subwoofer

• 10" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.50 cubic feet
• Premium Black Carpet with Black NVX Logo

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2
List price $431.98
-15% $367.98

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• 10" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.50 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE151P w/ Kicker 52CVR154

Single 15" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.50 Cu. Ft. with Polyfil and NVX Logo w/1400W Peak (700W RMS) 15" CompVR Series Dual 4-ohm Subwoofer

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NVX NE151P w/ Kicker 52CVR154

Single 15" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.50 Cu. Ft. with Polyfil and NVX Logo w/1400W Peak (700W RMS) 15" CompVR Series Dual 4-ohm Subwoofer

• 15" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 3.50 cubic feet
• Premium Black Carpet with Black NVX Logo

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List price $479.98
-19% $389.98

In stock

Only 2 Left!

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• 15" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 3.50 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE81P w/ Sundown Audio U-8 D2 8" (U8D2)

Single 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.75 Cu. Ft. with Polyfil and NVX Logo w/600W RMS 8" U Series Dual 2-ohm Car Subwoofer

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NVX NE81P w/ Sundown Audio U-8 D2 8" (U8D2)

Single 8" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.75 Cu. Ft. with Polyfil and NVX Logo w/600W RMS 8" U Series Dual 2-ohm Car Subwoofer

• 8" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .75 cubic feet
• Premium Black Carpet with Black NVX Logo

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1
List price $509.98
-20% $409.98

In stock

Only 2 Left!

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• 8" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .75 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE102P w/ Rockford Fosgate Power T1 T1D410

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

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NVX NE102P w/ Rockford Fosgate Power T1 T1D410

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

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6
List price $1115.97
-5% $1,063.97

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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

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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

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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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List price $879.97
-29% $623.99

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JBL BassPro 12 + Belva BAK82 + Vent Mag Mount 4

Single Loaded 12" Ported Amplified Sub Enclosure with Bass Remote + Copper Clad Complete 2-Channel Amplifier Wiring Kit with Universal Magnetic Mount - Black and Chrome Finish

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JBL BassPro 12 + Belva BAK82 + Vent Mag Mount 4

Single Loaded 12" Ported Amplified Sub Enclosure with Bass Remote + Copper Clad Complete 2-Channel Amplifier Wiring Kit with Universal Magnetic Mount - Black and Chrome Finish

• 12" Amplified Loaded Subwoofer System
• 150 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs

Save 15% Off Package Deals at Checkout!
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99
List price $499.86
-21% $392.93

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NVX NE102P w/ Kicker 51CWQ102 (Sold Individually)

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ 1600W Peak (800W RMS) 10" CompQ Series Dual 2-ohm Subwoofer

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NVX NE102P w/ Kicker 51CWQ102 (Sold Individually)

Dual 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.90 Cu. Ft. with Polyfil and NVX Logo w/ 1600W Peak (800W RMS) 10" CompQ Series Dual 2-ohm 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

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3
List price $815.97
-14% $703.97

In stock

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• 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

NVX NE151P w/ Kicker Comp 15 (43C154)

Single 15" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.50 Cu. Ft. with Polyfil and NVX Logo w/ 500W Peak (250W RMS) 15" Comp Series Single 4-ohm Subwoofer

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NVX NE151P w/ Kicker Comp 15 (43C154)

Single 15" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.50 Cu. Ft. with Polyfil and NVX Logo w/ 500W Peak (250W RMS) 15" Comp Series Single 4-ohm Subwoofer

• 15" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 3.50 cubic feet
• Premium Black Carpet with Black NVX Logo

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4
List price $349.89
-23% $269.89

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• 15" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 3.50 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE121P w/ Sundown Audio SAV312D2

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/3000W Peak (1500W RMS) 12" SA Series Dual 2-ohm Subwoofer

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NVX NE121P w/ Sundown Audio SAV312D2

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/3000W Peak (1500W RMS) 12" SA Series Dual 2-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

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List price $635.98
-15% $539.55

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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

MTX S6512-44 12" 500w RMS Square Subwoofer + Atrend 12SQKV and Speaker Wire

1000W Max (500W RMS) 12" Dual 4 Ohm Subwoofer Package with Atrend Vented Enclosure and Speaker Wire

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MTX S6512-44 12" 500w RMS Square Subwoofer + Atrend 12SQKV and Speaker Wire

1000W Max (500W RMS) 12" Dual 4 Ohm Subwoofer Package with Atrend Vented Enclosure and Speaker Wire

• 500 Watts RMS
• 1000 Watts Max
• Square Cone
• Patented Surround Geometry
• Aluminum Basket
• Spider Plateau Venting Technology
• Frequency Response: 23 - 130 Hz

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List price $514.93
-5% $489.99

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NVX NE121P w/ Kicker 51CWQ122 (Sold Individually)

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 2000W Peak (1000W RMS) 12" CompQ Series Dual 2-ohm Subwoofer

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NVX NE121P w/ Kicker 51CWQ122 (Sold Individually)

Single 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.75 Cu. Ft. with Polyfil and NVX Logo w/ 2000W Peak (1000W RMS) 12" CompQ Series Dual 2-ohm 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

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List price $499.98
$486.94

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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

NVX NE151P w/Kicker CVR152 (52CVR152)

Single 15" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.50 Cu. Ft. with Polyfil and NVX Logo w/ 1400W Peak (700W RMS) 15" CompVR Series Dual 2-ohm Subwoofer

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NVX NE151P w/Kicker CVR152 (52CVR152)

Single 15" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.50 Cu. Ft. with Polyfil and NVX Logo w/ 1400W Peak (700W RMS) 15" CompVR Series Dual 2-ohm Subwoofer

• 15" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 3.50 cubic feet
• Premium Black Carpet with Black NVX Logo

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List price $479.98
-19% $389.98

In stock

Only 2 Left!

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• 15" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 3.50 cubic feet
• Premium Black Carpet with Black NVX Logo

NVX NE122P w/ JBL Stage 122D

Dual 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.25 Cu. Ft. with Polyfil and NVX Logo w/ 12" Stage Series Dual 4-ohm Car Subwoofer

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NVX NE122P w/ JBL Stage 122D

Dual 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.25 Cu. Ft. with Polyfil and NVX Logo w/ 12" Stage Series Dual 4-ohm Car 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

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1
List price $451.89
-16% $379.89

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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

NVX NE122P w/ Infinity Reference 123W

Dual 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.25 Cu. Ft. with Polyfil and NVX Logo w/ 12" Reference Series Single 2-or 4-ohm Car Subwoofer

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NVX NE122P w/ Infinity Reference 123W

Dual 12" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 3.25 Cu. Ft. with Polyfil and NVX Logo w/ 12" Reference Series Single 2-or 4-ohm Car Subwoofer

• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 3.25 cubic feet
• Premium Black Carpet with Black NVX Logo

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1
List price $611.89
-20% $487.89

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• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 3.25 cubic feet
• Premium Black Carpet with Black NVX Logo

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

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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

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List price $329.98
-14% $284.55

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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

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    FAQ Frequently asked questions in Ported Enclosure Boxes with Car Subwoofers

    Ported Enclosure Boxes with Car Subwoofers Frequently Asked Questions (FAQ)
    Ported enclosure boxes, also known as vented or bass reflex enclosures, are specialized enclosures designed to house car subwoofers. These enclosures use a specifically tuned port to enhance the bass output of the subwoofers by allowing air to move in and out of the enclosure. This design results in increased low-frequency response and greater efficiency compared to sealed enclosures.
    Ported enclosure boxes work by utilizing the resonance of the air in the port to reinforce specific low-frequency sound waves produced by the subwoofers. When the subwoofer cone moves inwards, it compresses the air inside the enclosure, causing the port to expel air outward. As the subwoofer cone moves outwards, the air is drawn back into the enclosure through the port. This movement of air through the port enhances the bass response and efficiency of the subwoofers.
    Using ported enclosure boxes offers several benefits. These enclosures provide increased bass output and efficiency compared to sealed enclosures, making them suitable for music genres that rely heavily on deep bass tones. Ported enclosures can produce louder and more pronounced low-frequency sounds due to the interaction between the subwoofers and the port's tuning. Additionally, ported enclosures are generally more forgiving when it comes to subwoofer power handling and can provide a more impactful listening experience.
    To choose the right ported enclosure box, consider factors such as the size and power handling capabilities of your subwoofers, as well as your vehicle's available space. Different ported enclosure designs and tuning frequencies can affect the bass response, so it's important to match the enclosure specifications to your subwoofers' requirements. Researching product descriptions, reading user reviews, and consulting with car audio professionals can help you find the appropriate ported enclosure that complements your subwoofers and audio preferences.
    Installing ported enclosure boxes can vary in complexity based on your vehicle's space, your familiarity with car audio installation, and the specific box design. If you're comfortable with basic car electronics and following instructions, you might be able to handle the installation yourself. However, if the installation involves custom fabrication, complex wiring, or if you're not experienced with these tasks, seeking assistance from a professional car audio installer is advisable. Professionals can ensure proper installation, tuning, and acoustic alignment, allowing your ported enclosure and subwoofers to deliver enhanced bass response while preserving your vehicle's interior aesthetics.
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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