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NVX NE121S w/ JL Audio 12W1v3-4

Single 12" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.0 Cu. Ft. with Polyfil and NVX Logo w/ 300W RMS 12" W1v3 Series Single 4-ohm Car Subwoofer

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• 12" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.00 cubic feet
• Premium Black Carpet with Black NVX Logo

Learn more about the ne121s_12w1v34
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2026-07-27 11:08:20
List price $379.98
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-21%

$301.98

 with warranty
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Description


NVX brand icon

Authorized dealer

NVX NE121S

Single 12" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.0 Cu. Ft. with Polyfil and NVX Logo
Quantity: 1

Product Details:

  • Not compatible with NVX VC-Series Subwoofers
  • 12" Single Sealed 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: 10-1/8"
  • Subwoofer cutout diameter: 11-7/32"
  • Internal box volume: 1.00 cubic feet
  • Dimensions: 13.00" D x 15.00" W x 15.00" H
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

JL Audio 12W1v3-4

300W RMS 12" W1v3 Series Single 4-ohm Car Subwoofer
Quantity: 1

Product Details:

  • 12" Single 4 ohm W1 v3 Series Subwoofer
  • Power Handling:
    • RMS: 300 watts
  • Mica Injected Polypropylene - MIPP Cone
  • Nitrile Butadiene Rubber NBR Surround
  • DMA Optimized Motor
  • Elevated Frame Cooling design
  • Patented FCAM technology
  • Vented Reinforcement Collar (VRC) composite structure
  • Carefully engineered lead-wire design
  • 11 mm Xmax
  • Frequency Response: 22 - 200 Hz
  • Resonance Frequency (Fs): 26.21 Hz
  • Sensitivity: 86.1 dB
  • Recommended sealed box volume: 1.10 cubic feet
  • Recommended ported box volume: 1.60 cubic feet
  • Top-mount depth: 5.41"
  • Cutout diameter: 11.0625"
  • Authorized Internet Dealer
  • JL Audio SGRU-12 subwoofer grille optional (sold separately)
  • 1-year Manufacturer's Warranty

  • Priced Individually


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Specifications & Details


Subwoofer Specifications
Series
W1 v3 Series
Subwoofer Size
12"
RMS Power Handling
300 watts
Peak Power Handling
600 watts
Woofer Composition
Mica Injected Polypropylene - MIPP
Woofer Surround
Nitrile Butadiene Rubber NBR
Sensitivity
86.1 dB
Frequency Response
22 - 200 Hz
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Sealed
Number of Subwoofers
1
Box Style/Shape
Square/Rectangle
Wood Thickness
3/4"
Number of Terminals
1
Terminal Type
Binding posts (banana clip ready)
Box Exterior Color
Black
Box Finish
Carpet
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

NVX

Model Number:

NE121S_12W1V34

Weight:

34.20lbs

Internal SKU:

ne121s_12w1v34

Internal Product ID:

228660

Customer Ratings & Reviews


NVX NE121S w/ JL Audio 12W1v3-4 thumbnail image

5 star
75%
4 star
25%
3 star
0%
2 star
0%
1 star
0%



Durability
4.8
Value
4.5
Features
4.3
Design
5
Usability
4.8

Customer Photos & Videos


Customer Reviews

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Very pleased!

The following review is for 12W1v3-4, which is a part of the bundle you are viewing.

If you’re looking for something that’ll fit in a smaller, under seat box…this is it. They’re not the cheapest, but there’s more expensive out there too. Do it…you won’t be disappointed

I’ve always had 12’s, but wanted to go with something that would fit better in my truck, so I got some kicker 10’s. After some time with them, I just couldn’t get down with the 10’s….they just don’t do what 12’s do. After doing some digging, I found these W1’s worked for the same airspace as the box I have for the 10’s (they ask for 1 sq ft and the box is about .95 per side) and the amp (kicker 800.1) I have as well. Hooked them up today, SUPER excited with the result. Obviously I haven’t had much time on them yet, but I can already tell I made the right decision. I haven’t even really turned them up much and the bass is on point. I still need to re-tune the amp since putting them in. Need to make some adjustments tomorrow, but it’s jammin nice now.

By LH on January 13, 2023 Checkmark Icon Verified purchase

62 found this helpful


12w1v3-4

The following review is for 12W1v3-4, which is a part of the bundle you are viewing.

great sub id recommend it great value for what you are getting

By D3ranged on May 9, 2016

33 found this helpful


Good intro subs

The following review is for 12W1v3-4, which is a part of the bundle you are viewing.

These are great Intro subs! Currently have 2 of these installed in my 2017 Maxima but about to upgrade to 2 W3's. Not quite enough oomph! Lol

By Matt on January 2, 2023 Checkmark Icon Verified purchase

31 found this helpful


The following review is for NE121S, which is a part of the bundle you are viewing.

Works great with my Kicker CWR124

By GrimGodiva on June 9, 2026 Checkmark Icon Verified purchase




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