Name: NVX NE122P
Brand: NVX
SKU: ne122p
Price: 159.99 USD
Availability: InStock
Rating: 5.0000 (1 reviews)

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Product highlights

• 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

Learn more about the ne122p

Universal – fits most vehicles.

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List price $191.99

-17%

$159.99

with warranty

Starting at $15/mo

or 4 payments of $40

Free shipping in USA. Provide zip for delivery date.

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Product Highlights

• 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

Description

Authorized dealer

Product Details:

Not compatible with NVX VC-Series Subwoofers
12" Dual Ported Subwoofer Enclosure
Made from 3/4" Medium Density Fiberboard (MDF) construction
Built with precision CNC technology for exceptional accuracy
Pre-lined with Poly-Fil for improved acoustic response
Premium Black Carpet with Black NVX Logo
Spring Loaded Push Terminals
Maximum subwoofer mounting depth: 13-7/8"
Subwoofer cutout diameter: 11-7/32"
Internal box volume: 3.25 cubic feet
Dimensions: 16.50" D x 35.50" W x 16.00" H
Authorized Internet Dealer
1-year Sonic Electronix Warranty

Port Specifications:

Tuning Frequency: 38 Hz
Port Width: 3"
Port Height: 14.50"
Port Length: 16.63"

Frequently Asked Questions (FAQ)

Why should I choose a sealed enclosure like the NE122P over its ported counterpart (NE122S)?

NE122P is great for peak SPL and room-shaking rumble. The ported slot releases air pressure and amplifies the low-end. This is ideal for large SUVs and trucks and when you want thunderous bass. However, if you want a tight bass, NE121S is the way to go.

Why should I buy a dual enclosure like the NE122P over two single enclosures for my two 12" subwoofers?

A dual enclosure ensures both subs share the same physical footprint, preventing them from sliding around independently. It makes installation and wire routing significantly easier than manually have two boxes.

Will two high-excursion 12" subs with a massive magnet hit the back panel of NE122SP?

Most likely not. For example, the NE121P has a generous mounting depth of up to nearly 14". That’s enough clearance for even the beefiest competition-grade magnets to breathe without slamming against the rear wall.

Can I add more Polyfill to the NE122P?

We don't recommend. NVX includes just enough to help the box act about 15-20% larger sound-wise. Adding too much can actually choke the sub's movement. Only add more if your sub's specs significantly exceed the box's actual internal volume.

What’s with the choice to build NE122P with rounded corners?

It’s for durability and fitment. Sharp MDF corners under carpet are prone to bruising or chipping during installation. Rounded edges prevent the carpet from tearing and make it much easier to slide the box into tight trunk gaps.

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Specifications & Details

Box/Enclosure specifications

Subwoofer Size

12"

Subwoofer Cutout Shape

Round / Circle

Box Type

Ported

Number of Subwoofers

Box Style/Shape

Square/Rectangle

Cutout Diameter or Length

11-7/32"

Maximum Speaker Depth

13-7/8"

Total Box Volume

3.25 cubic feet

Wood Thickness

3/4"

Number of Terminals

Terminal Type

Binding posts (banana clip ready)

Box Exterior Color

Black

Box Finish

Carpet

Tuning Frequency

38 Hz

Port Details

Number of Ports

Tuning Frequency

38 Hz

Port Diameter

3.00" x 14.50"

Port Length

16.63"

Warranty and Return Policy

Parts Warranty Duration

1 year

Labor Warranty Duration

1 year

Warranty Provider

Sonic Electronix

Customer Ratings & Reviews

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Customer Reviews

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Nice box

Pair with the right woofers and you will be happy. Wouldn't put anything crazy high powered in it. Box is tuned to 38hz. Sounds good, it doesnt hit the super lows in rap hard, but 95% of songs sound great. Used in a 2020 Ford Fusion. Fit with no issues.

By Nick on March 8, 2026 Checkmark Icon

Verified purchase