350W 10" N-Series Dual 4 ohm Car Subwoofer

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• RMS Power: 200-350W
• Dual 4-ohm Voice Coil
• Polypropylene Cone
• High Excursion Rubber Surround
• Stamped Steel Basket
• Nomex Single Spider

Learn more about the nsw104

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

nsw104v2 thumbnail

NVX NSW104 Version 2 (NSW104v2)

OUR PRICE: $54.99

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Product Highlights

• RMS Power: 200-350W
• Dual 4-ohm Voice Coil
• Polypropylene Cone
• High Excursion Rubber Surround
• Stamped Steel Basket
• Nomex Single Spider



Authorized dealer

Power and Value with N-Series

NVX's entry-level subwoofer is anything but "entry-level." NVX has engineered the NSW104 with exceptional features, such as a polypropylene cone, Nomex single spider and a high excursion rubber surround. This all adds up to a sub that moves more air for awesome, responsive and deep bass. The 2" dual 4-ohm KSV 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 NSW104 requires less power to operate efficiently without losing bass quality.

Continuing with the excellent engineering is a stamped steel basket that provides exceptional rigidity and the spring-loaded, chrome plated push terminals ensure a strong and dependable 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!

General Features:

  • 10" Dual 4-ohm N-Series Car Subwoofer
  • Power Handling:
    • Power Range (RMS) 200-350 Watts
  • Impedance: Dual 4 ohms
  • Polypropylene cone
  • High excursion rubber surround
  • Stamped steel basket for maximum rigidity
  • Nomex single spider
  • 2" KSV Voice coil
  • 40oz. magnet motor structure with protective rubber boot
  • Frequency response: 20-200 Hz
  • Resonance Frequency (Fs): 36Hz
  • Top-mount depth: 4-11/16"
  • Sensitivity: 83.4dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Additional Information:

*CEA-2031 Compliant: All CEA-2031 compliant loudspeakers adopt the same testing and measurement methods so comparing them side by side is easy. Loudspeakers include car speakers and subwoofers. The Consumer Electronics Association created new testing and measurement methods for mobile loudspeaker systems that define test procedures for rating the performance and physical size of speakers. This is important because you can now compare different speakers on the same playing field. Any manufacturers who adopt the CEA-2031 logo product mark can be compared evenly to other speaker manufacturers with the same mark.

Product history:

NVX NSW104V2 thumbnail
(newest, current model)
NVX NSW104 thumbnail
(previous model, replaced by NVX NSW104 Version 2 (NSW104v2))

Subwoofer Wiring Guide

Wiring Guide to Wire 1 NVX NSW104 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 NVX NSW104 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 NVX NSW104 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 NVX NSW104 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details

Subwoofer Specifications
N Series
Subwoofer Size
RMS Power Handling
350 watts
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
Voice Coil Material
Voice Coil Diameter
Frequency Response
20 - 200 Hz
83.4 dB
Xmax (millimeters)
8 mm
Subwoofer Design
Round / Circle
Main Cone Color
Woofer Composition
Woofer Surround
Magnet Structure
Single Stacked
Magnet weight
Magnet Type
Subwoofer Grille
Re-Cone Kit Available
CTA-2031 Compliant
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Optimum Sealed Box Volume
1.0 cubic feet
Optimum Ported Box Volume
1.5 cubic feet
Top-Mount Depth (Mounting Depth)
Cutout Diameter
Shallow Mount Installation
Electromechanical Parameters
Free-Air Resonance (Fs)
36 Hz
Equivalent Compliance (Vas)
24.96 liters
Total Speaker Q Value (Qts)
Electrical Q Value (Qes)
Electrical Resistance of Voice Coil (Re)
6.40 ohms
Mechanical Q Value (Qms)
What is in the box?
WITB: Subwoofers
Other Accessory #1
Other Accessory #2
Other Accessory #3
Other Accessory #4
Other Accessory #5
Other Accessory #6
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details



Model Number:




Internal SKU:


Internal Product ID:


Product and How-to Videos

  • NVX VCW 12" Subwoofer Demo | VCW124 Bass Test
  • NVX N Series Car Subwoofers | Great Bass, Low $$! (NSW Sub)
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews

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Best Subwoofers for the Price!!!

Great sounding subwoofers and at a great price!!! Have them in a in 0.62 per subwoofer box in an extended cab truck and they sound great!!

By Jesus S on April 17, 2014


found this helpful.

Great subs

These are great subs, sounds great at low volume, hit hard in slot ported box. Good choice.

By DJ on March 30, 2014


found this helpful.

Great subs

These are great subs, sounds great at low volume, hit hard in slot ported box. Good choice.

By DJ on March 30, 2014


found this helpful.

Great Entry level sub

I own a 2011 f150 supercrew and I installed these in a box that fit underneath the backseat. I had about .7 cu.ft. of net air space. The subs sounded good. I could tell immediately that they needed to be broken in. I would give them a couple of weeks to break in until you really get as much audio quality out of them. For 50 bucks each they are a great value. NVX makes great car audio equipment. But don't expect to be blowing your windows out with these subs. These are definitely not competition grade subs, I guess nor are they advertised as that so.... but to enrich your sound in your car in a tight space saving install these are excellent. Over the years however I am starting to lean more towards paper pressed cones. I find they have a better handling and a little more accurate of a sound. I would definitely recommend these for a budget build with quality in mind.

By Aldog on July 26, 2014


found this helpful.

great sound quality

This is a great entry level subwoofer it has awesome sound quality it hits lower tones that other subwoofers in its price range can not reproduce. You would be hard pressed to find another sub in the same price range that sounds as good. It features a high surround to provide extra excursion. It looks, sounds and feels like a more expensive sub. It can go reasonably loud with good sq just dont expect this one sub to flex your whole car. I would deffinatly recomend this subwoofer to a friend. I recomend NVX products to anyone that asks me for car audio advice. Shipping from Sonic Electronix is also super fast i ordered my sub and received it the next day. Sonic also has great customer service they stand behind their products 100 percent.

By Devin on January 15, 2014


found this helpful.

Top-notch quality and fantastic performance at a budget-friendly price

I chose this entry level NVX subwoofer for my latest build due to the low cost, great reviews, and it fit the specs I was looking for. The construction, materials, and overall build quality of this subwoofer left me seriously impressed. I have three of these NVX NSW104's in a custom designed/built 3 cu ft sealed enclosure, each sub has the coils wired in series (8ohm load each) and all three subs wired in parallel resulting in a 2.7(ish) ohm load pushed by a JL 1000/1 amplifier. After correctly setting gains using an SMD DD-1 (highly recommend purchasing to prevent damaging any of your equipment from clipping), the end result is absolutely astonishing! When the sub channel is set at a reasonable level (minus 18 or so db on the HU) it is an extremely quick responding, tight, punchy bass with some serious authority to it; However, when I crank up the sub output to -3db or so, it is so incredibly impressive that when demo'ing the system to people they lose their minds when they discover it's not a couple of JL W7's in a ported bandpass, especially when they see the windshield flexing. Everyone has called me an outright liar when I tell them how much I paid for all three subwoofers! I have and will continue to highly recommend the NVX product line-up to anyone and everyone who inquires. From their battery terminals to their subwoofers - top notch quality and fantastic performance at a budget-friendly price, what more can you ask for?

By Danny on June 12, 2014


found this helpful.


Purchased 4 nvx104 placed in custom 4 10"box in 87 camaro. Ive had 4 10" kicker comp 2007 edition, 4 10" sony grey stop sign. Comparing the 3 nvx to me sounds alot clearer and hard hitting. Nvx fits perfect for my small enclosure box..ive recommended a few people to order nvx. Considering I do install music and my recommendation means alot to my customers.
Cant give full thoughts of subs haven't really maxed out yet but the quality is there for the price

By shon on March 18, 2014


found this helpful.

Great entry subs!

I highly recommend these subs for someone who expects quality and great sound from their speakers. I have two of these in a sealed enclosure giving them about .85 cubes each and powered by a Hifonics HFI 1000.1D at 1 ohm and I've measured them getting roughly 350 each RMS and they absolutely astonish me with their output.

They're in a 2008 Dodge Caliber SRT-4 facing the rear hatch and they are super crisp and clean sounding, no drool and very snappy. They put out some serious low notes that I did not expect from a 10" subwoofer that's entry level. I replaced my two 10" Kicker L3's with these and I can say they out perform the Kicker's hands down on SQ and SPL, they are almost on par with the SPL of a Memphis 10" C3.
Needless to say you will not be disappointed with this purchase as I am very happy for the quality and service I got with these.

And as always Sonic came through with unmatched service and crazy fast shipping, I payed for ground and got the whole order in 2 days!

By AirborneSRT on January 25, 2013


found this helpful.

Especially for the money... awesome little sub!

Got these subs actually for a customer short notice to throw in a truck box under his seats, ended up not getting them install day so used a couple others till these arrived...and actually said hey why not, I'll use them in mine.
We're used to a ton of different subs. For a $100 range for BOTH subs shipped, these little monsters surprised me, putting them on 600 Rms. Have 2 wired down to 1 ohm On a Crescendo 600.1

Now, Obviously don't expect these to take 1000w a piece and kill big boy 2.5"+ VC subs.
But wow, under seat box about 1.2cu.ft a piece ported at 34-35hz and theyre actually shaking the windows and playing with authority down to about 28hz. Highly recommend them for any intro system, surround is tough rubber and cone looks great. Would buy again for $50 shipped any day of the week. Would even more so love to put them on 4-500w a piece see how they like it.

By Adam on August 11, 2014


found this helpful.


They sounded good at first then made a lot of rattle found out it was the center cap of speaker it fell off after like 2 week the rubber siding is to soft so now they act like they are blown didn't hold up like I hoped

By Matt on April 11, 2014


found this helpful.


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