NVX NSW122 Version 2 (NSW124v2)

700 Watt (350W RMS) 12" N-Series V2 Dual 4-Ohm Car Subwoofer

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• 350 Watts RMS / 700 Watts Max
• Impedance: Dual 4-Ohm
• Ultra-Light Non Pressed Paper Cone
• Custom Blended Foam Surround
• High Excursion Strain-Relieved Tinsel Leads
• 2" High Temperature Aluminum Voice Coil

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NVX NSW124 12" Car Subwoofer + 12" Sealed MDF Enclosure

12" Dual 4 ohm N-Series Car Subwoofer w/ Sealed 3/4" MDF Sub Enclosure



NVX NSW124v2 + Belva 1SV12B Single 12" Vented Enclosure

700 Watt (350W RMS) 12" N-Series V2 Dual 4-Ohm Car Subwoofer



NVX NSW124v2 with Belva BXA15001 and Amp Kit

700 Watt (350W RMS) 12" N-Series V2 Dual 4-Ohm Car Subwoofer Package



Current Promotions (2 offers)

Spend $50 or more a get a FREE NVX Black Reusable Cloth Face Mask. This offer cannot be combined with any other coupons or offers.

NVX NSW122 Version 2 (NSW124v2)

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Priced separately $60 98

Promo Savings of $0 99

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$59 99

Save 50% on an NVX NV12GR 10" Subwoofer Grill specifically made for the NVX N and VS Series Subwoofers. Just click the "add Both to Cart Button". This offer cannot be combined with any other coupons or offers.

NVX NSW122 Version 2 (NSW124v2)

50% off

Priced separately $74 98

Promo Savings of $7 50

Total price:

$67 48

Product Highlights

• 350 Watts RMS / 700 Watts Max
• Impedance: Dual 4-Ohm
• Ultra-Light Non Pressed Paper Cone
• Custom Blended Foam Surround
• High Excursion Strain-Relieved Tinsel Leads
• 2" High Temperature Aluminum Voice Coil



Authorized dealer

Wallet Friendly N-Series Power

The NVX N-Series subwoofers offer top-notch sound quality at an entry level price. The NSW124V2 is a great multi-purpose sub that has been engineered to meet the highest audio standards. The stiff, ultra light non pressed paper cone allows the N-Series subs to give you accurate and responsive low-end even when you have your system blasting. The custom blended high roll foam surround allows for greatly improved excursion for further improved sound quality. The 2" dual 4-ohm high temperature aluminum voice coil gives you a wide array of Ohm load wiring options for different applications. With an RMS Power Range of 200-350 watts, the NSW124V2 requires less power to operate efficiently without losing bass quality.

Continuing with the excellent engineering is a stamped steel basket that provides exceptional rigidity while minimizing any unwanted distortion. The N-Series subwoofers also include spring-loaded, chrome plated push terminals that provide an easy and secure speaker wire connection. NVX's mission was to create an exceptional subwoofer at an entry-level price without sacrificing the quality and sound that the consumer deserves. They have succeeded!

1. Rubber Subwoofer Trim Ring Gasket

We’re all about the details here at NVX. That's why we include a rubber trim ring gasket with our N-Series subwoofers. The trim ring provides a tight seal against the sub and the box it is being mounted to, in order to prevent air pressure from passing between the two.

2. Surround & Suspension Technology

We’re all about getting the most bang for our buck, a key reason why we chose to include high-roll foam surround technology in the N-Series woofers. The surround itself is constructed with high excursion foam, which keeps the inward movement of the surround perfectly symmetrical with the outward movement.

3. Custom Stamped Steel Basket

Our custom basket offers several distinct advantages over traditional designs. We purposefully chose an especially open basket to improve airflow to reduce compression of the motor structure for both improved cone control as well as reduced back-wave interference.

4. 2” High-Temperature Aluminum Voice Coil

The stout 2" high-temperature voice coil is constructed from a copper wire wrapped around an aluminum former. This industry-standard design is powerful enough to readily drive the cone with strict linear control, yet at the same time remains efficient enough for the compact, space-saving magnet structure.

5. High-Energy Ferrite Magnet Motor Structure

We chose a highly magnetized single stacked Ferrite magnet for the motor structure in the new N-Series. This magnet allows for greater power handling and voice-coil control during high excursion limits.

6. Ultra-Light Non-Pressed Paper Cone

After testing scores of different cone materials, we decided on a custom blend of fine Ultra-Light Non-Pressed Paper fibers. This stiff yet lightweight material produces spectacularly accurate bass with a rich, natural tonal quality prized by audiophiles. The smooth matte finish of the cone offers a sleek, modern accent to the interior of any car.

7. High-Excursion Strain-Relieved Tinsel Leads

At NVX we understand that the components of a subwoofer must work in harmony to achieve sonic excellence and that a subwoofer is only as reliable as its weakest link. There is perhaps a no better example of our relentless attention to detail than the unique attachment method of our tinsel leads. Whereas the leads of most subwoofers are simply glued atop the spider, ours are glued at the basin of each fold in the spider with enough slack on top for an unrestricted excursion.

8. NVX Embossed Rubber Magnet Boot

We didn't even skimp on the magnet boot for our N-Series subwoofer. Besides looking better than a bare magnet the rubber boot protects the magnet from chipping and possible corrosion that can affect magnets exposed to the elements.

Product Details:

  • 12" Dual 4-Ohm N-Series Subwoofer
  • Power Handling:
    • RMS: 350 watts
    • Peak: 700 watts
  • Recommended power range: 200 - 350 Watts RMS
  • Ultra-Light Non Pressed Paper Cone ensures accurate, responsive performance even at high volume levels
  • Custom Blended High-Roll Foam Surround for extended excursion
  • Specially designed high excursion strain-relieved tinsel leads
  • 2" High Temperature Aluminum Voice Coil
  • Top-mount depth: 5.01"
  • Frequency Response: 20 - 200Hz
  • Sensitivity: 86.9 dB
  • High strength steel basket retains exceptional rigidity to minimize distortion
  • Chrome plated, spring loaded push terminals for easy, secure installations
  • High energy ferrite magnet motor structure allows for greater power handling and voice coil control during high excursions
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Enclosure Recommendations:

  • Ported Enclosure:
    • Recommended Volume: 1.75 ft3
    • Tuning Frequency: 36 Hz
    • Ideal Power RMS: 350W
    • F3 (Hz): 41
  • Sealed Enclosure:
    • Recommended Volume: 1.25 ft3
    • Ideal Power RMS: 350W
    • F3 (Hz): 47
    • FC (Hz): 55
    • QTC: 0.941
Tips for Installing the your NVX NSW124V2 subwoofer

Product history:

NVX NSW124V2 thumbnail
(newest, current model)
NVX NSW124 thumbnail
(previous model, replaced by NVX NSW122 Version 2 (NSW124v2))

Subwoofer Wiring Guide

Wiring Guide to Wire 1 NVX NSW122 Version 2 (NSW124v2) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 NVX NSW122 Version 2 (NSW124v2) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 NVX NSW122 Version 2 (NSW124v2) Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 NVX NSW122 Version 2 (NSW124v2) Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details

Subwoofer Specifications
N Series
Subwoofer Size
Peak Power Handling
700 watts
RMS Power Handling
350 watts
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
Voice Coil Diameter
Frequency Response
20 - 200 Hz
86.9 dB
Xmax (millimeters)
10.2 mm
Subwoofer Design
Round / Circle
Main Cone Color
Woofer Composition
Non-Pressed Paper
Woofer Surround
Subwoofer Grille
Optional (Accessory required and sold separately)
Re-Cone Kit Available
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Minimum Sealed Box Volume
1.0 cubic feet
Optimum Sealed Box Volume
1.25 cubic feet
Maximum Sealed Box Volume
1.75 cubic feet
Minimum Ported Box Volume
1.5 cubic feet
Optimum Ported Box Volume
1.75 cubic feet
Maximum Ported Box Volume
2.0 cubic feet
Top-Mount Depth (Mounting Depth)
Cutout Diameter
Shallow Mount Installation
Electromechanical Parameters
Free-Air Resonance (Fs)
34.5 Hz
Equivalent Compliance (Vas)
54.57 liters
Total Speaker Q Value (Qts)
Electrical Q Value (Qes)
Electrical Resistance of Voice Coil (Re)
3.46 ohms
Mechanical Q Value (Qms)
Efficiency Bandwidth Product (EBP)
What is in the box?
User manual
WITB: Subwoofers
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details



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Product and How-to Videos

  • NVX N-Series v2 Car Audio Subwoofers | NSWv2
  • NVX N-Series Subwoofers
  • Severed Ties Toyota Showing At Slamology 2015
  • Farm Truck debut at Slamology 2015
  • NVX NSW v2 Series Subwoofers
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?
  • How to Install a Car Subwoofer in a Box

Customer Ratings & Reviews

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Customer Photos & Videos

Customer Reviews

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Nvx sub

So far this sub is really good. I've compared it to a kicker comp 12 and a pioneer 12 and it is far better than either. I've ran it a t 250w rms and 400rms and at both the sub runs great. It hits really nice, right now it is in a slim truck box and it still slams! I would definitely go for this sub vs a kicker or pioneer and it cost the same! You can tell from the looks that it is a high quality sub and is well worth the money!

By Jeff on December 14, 2014


found this helpful.

Perfect choice

i bought two of these NVX subs and installed in a down fire box that I also purchased from Sonic electronics, paired it with the Hifonics 1500 watt Rms amp and was blown away at the sound and bass!!!! Even though I only have it wired at 4Ohms (600 watt rms) it hits very hard. Perfect price and I can't believe the sound of the bass, very crisp to the sub sonic they are very clean sounding no mud here.... In my opinion these should be a lot higher in cost as these speakers blow away the competition by far. I've been building systems for over 20 years now and just can't say enough about these subs. Buy them you can't go wrong with these!!!!

By Travis on January 12, 2015 checkmarkIcon Verified purchase


found this helpful.

Great bang for your buck !!

I have two of these running of a Boss cxx2705 amp pushing 600 watts at 4 ohms , one in a sealed box and one in a ported box . I am amazed at the base and throw of these subs for the price . Having two types of enclosures I get the best of both worlds nice tight base and thundering bass from the ported enclosure . I was told by the expert at crunchfield that I could not get any type of good bass with two different enclosures but I personally like what I hear , in fact I actually had a complete stranger compliment me on how good my system sounded ! I was pulled over for system not because of the volume but because the officer could see ripples in his coffee . I simply asked him what the decibals were from a Harley Davidson , so I got off with a warning and I have not even turned my system up past half way up during the break in period of my subs . For the money these are well worth it , you can tell they are built for quality . Having all this power I save gas money , I just turn it up a little , put my little Fiat 500 in neutral and bounce to where I am going ( just kidding on the last statement) but honestly they hit pretty hard with great throw . No noticeable distortion at least at half volume which is pretty damn loud . They will probably go up in price because of the quality . I do extensive research on all my car audio equipment before purchasing . I own all NVX products except for a Pioneer HU and a boss 5 channel amp . All my wiring , my cap , my four speakers . my excellent tweeters and passive crossovers . My next investment will be a NVX line driver which will super charge your amp without actually increasing the wattage but the intake voltage, which will increase the efficiency and sound output . I've read every review on almost every component and see people complaining about durability and blowing speakers to burning up HU to amps . In my opinion most of the problems people encounter is because they don't understand that these are not toys or your clock radio and they immediately try to push every thing to the limit . I learned 40 years ago once you turn up the volume past half way , you start producing heat where a 50 watt speaker can actually be blown 30 watt amp . I am 51 years old and I have done mostly home audio but I am no novice in car audio either . I started car audio at age 21 You can read what you want to read but experience is the best teacher !! NVX is a great quality brand and at a reasonable price . Take my advice with a grain of salt , but I could be right !! Enough about NVX . I am very impressed with Sonic on all my purchased equipment . Very fast and courteous service . I will ONLY use Sonic for my future car audio needs . Sonic rocks and rolls !! Try it you will like it with no disappointments just takeyour time for proper break in before you crank it up and NEVER turn volume all the way up because you WILL pay the price !! Sonic and NVX are 2 thumbs up in my book .

By Freddy Krueger on June 5, 2015 checkmarkIcon Verified purchase


found this helpful.

Great value

These subs are a very clean and hard hitting sub and are a great buy

By Ryan on March 22, 2015


found this helpful.

More value than you know.

These subs look great. Their surround is high quality. Their travel/throw is surprising. They feel great. They can be used for SPL and SQ. The manufacturers even recommended an RMS wattage on the low side of what it's capable of.

By Nicholas Lemarr on March 23, 2015


found this helpful.

Better than expected.

I didn't expect that much, based on thr price. But they have totally impressed me. Build quality is far better than anything I have seen I'm this price range. Amazing value. Of course there are better Subs on thr market, but not at this price. Don't expect these to compare with a pair of Sundown audio subs, but for the price, these can't be beat.

By D.J. on June 5, 2016 checkmarkIcon Verified purchase


found this helpful.

nvx nsw124v2

These r good subs l have 2 of them on a 3500watt boss amp in a vented box & they sound pretty good if your not looking 2 spend a lot of $ go with the nvx's can't wait til I can get the nvx vcw124.

By chuck on June 22, 2015


found this helpful.

Great sub

I ordered 2 for a friend they sounded good and hit low but had to much power on them so he blew them but they are perfect with the correct amount of power

By Anonymous on October 24, 2019 checkmarkIcon Verified purchase


found this helpful.

Sound Quality with some Bang!

NVX is all I will purchase for my car audio needs. I have the VCW 15" in my car and this NSW 12" in my wife's car. I am more than satisfied with the build quality and performance of NVX PRODUCTS. I have had all the brands in my years and NVX beats them all. Better hurry and purchase any of their products before they realize they can charge twice as much and I will still buy anything from them. The sound you receive is impeccable and they look superb as well. Great job NVX please stick around in the industry. Sonicelwctronix.com is the only place I will buy from. I have been a customer of theirs since 2003. Great job Nate and everyone on the Sonix team.

By David on December 18, 2015 checkmarkIcon Verified purchase


found this helpful.

Sounds clean

I have 2 of these dual 4 ohm 12s in a belva ported enclosure powered by a rockford fosgate 501s.. These subs pound and sound extremely clean as well. They handle lows way better than I had expected. Would deff. Recommend to anyone wanting to add some clean thump.

By Anonymous on April 30, 2019 checkmarkIcon Verified purchase


found this helpful.


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