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Deal.ai › NVX › 8 Car Subwoofers
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NVX NSW82v3 8" N-Series v3 Dual 2-Ohm Car Subwoofer

NVX NSW82v3 8" N-Series v3 Dual 2-Ohm Car Subwoofer

4· 1 rating

Best price now

$79.99at Best BuyObserved Nov 5, 2026, 6:48 PM

Compared across 4 stores. Prices are checked against each store and labelled with when.

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Our take on the NVX NSW82v3 8" N-Series v3 Dual 2-Ohm Car Subwoofer

The NVX NSW82v3 is an 8-inch car subwoofer with dual 2-ohm voice coils, rated 400W RMS and 800W peak. Its 4.98-inch mounting depth and 7.12-inch cutout let it fit small sealed or ported boxes where a 10- or 12-inch sub won't go. A pressed paper cone, high-roll foam surround and 90-ounce magnet are built for output in a compact footprint. At $79.99 at Best Buy as of November 5, 2026, it sits at the low end of its recent price range.

Best forTight spaces: regular-cab trucks, hatchbacks, under-seat boxesBudget builds that still want real outputDual 2-ohm wiring for 1-ohm or 4-ohm final loadsFirst-time subwoofer installs
Pros
  • Dual 2-ohm coils allow a 1-ohm or 4-ohm final load
  • 400W RMS is strong for an 8-inch driver
  • Shallow 4.98-inch top-mount depth fits small enclosures
  • 90-ounce magnet gives solid motor strength for the size
  • Low 39.1 Hz resonance for an 8-inch sub
  • $79.99 at Best Buy as of November 5, 2026 is a low price for the specs
Cons
  • 85 dB sensitivity means it needs a fair amount of amplifier power
  • High-roll foam surround can wear over years in hot climates
  • Pressed paper cone is not marine rated
  • No grille included, so the cone is exposed
  • Only 10.5 mm Xmax limits excursion compared with larger subs

NVX NSW82v3 8" N-Series v3 Dual 2-Ohm Car Subwoofer prices at every store

  • Best BuyNew

    In stock

    $79.99Free shippingObserved Nov 5, 2026, 6:48 PM
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  • eBayNew

    In stockSold by www-sonicelectronix-com

    $79.99Free shippingObserved Nov 5, 2026, 6:48 PM
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  • WalmartNew

    In stockSold by Sonic Electronix

    $79.99Free shippingObserved Nov 5, 2026, 6:48 PM
    Visit store
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $79.99Free shippingObserved Nov 5, 2026, 6:48 PM
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Also available at

  • eBayCheck price at eBay
  • WalmartCheck price at Walmart

NVX NSW82v3 8" N-Series v3 Dual 2-Ohm Car Subwoofer price history

Lowest price we've seen: $71.99 on Nov 5 at eBay. Tracked across 4 stores since Nov 5.

What reviewers say

Owner feedback on the N-Series v3 8-inch is limited but generally positive, with buyers citing output for the size and value for money. Common complaints center on power demands and the lack of a grille.

What people mention
  • OutputPraisedOwners say it plays louder than expected for an 8-inch driver in a small sealed box.
  • ValuePraisedBuyers call it a lot of subwoofer for the money.
  • Power needsMixedSome owners note it wants a strong amplifier to hit its 400W RMS rating.
  • SurroundCriticisedA few owners question how long the foam surround will last.
  • GrilleCriticisedBuyers point out no grille is included, leaving the cone exposed.

About the NVX NSW82v3 8" N-Series v3 Dual 2-Ohm Car Subwoofer

Experience deep, impactful bass in compact spaces with the NVX NSW82v3 8" N-Series v3 Dual 2-Ohm Subwoofer. Rated at 800W Peak (400W RMS), this subwoofer features a pressed paper cone with a high-roll foam surround and a high-temp voice coil designed for heavy low-frequency output.

Specifications

color
BlackSource
size
8"Source
Peak power
800 wattsSource
RMS power
400 wattsSource

Questions and answers

What amplifier power does the NSW82v3 need?
It is rated 400W RMS, so plan on an amp that delivers roughly 300 to 500W at its final impedance. Its 85 dB sensitivity means low-power head units won't get much out of it.
Can I wire it to 1 ohm?
Yes. The dual 2-ohm coils wire in parallel to 1 ohm or in series to 4 ohms. Check that your amplifier is stable at the load you choose.
What size box does it need?
It needs a cutout of 7.12 inches and 4.98 inches of mounting depth. A small sealed box of roughly 0.5 to 0.8 cubic feet works well; check NVX's recommended enclosure specs for ported builds.
Is it good for a truck or hatchback?
Yes. Its shallow depth and 8-inch size suit under-seat and corner boxes in regular-cab trucks and small hatchbacks.
Is a grille included?
No. The sub ships without a grille, so add one if the cone will be exposed to cargo.
When is it cheapest?
It was $79.99 at Best Buy as of November 5, 2026, near the bottom of its recent range. Car audio tends to dip during holiday sales and car audio promotions.
Where is the NVX NSW82v3 8" N-Series v3 Dual 2-Ohm Car Subwoofer cheapest?
At Best Buy, for $79.99, as of our latest check.
What do buyers say about the NVX NSW82v3 8" N-Series v3 Dual 2-Ohm Car Subwoofer?
Rated 4 out of 5 from 1 ratings.
Where can I buy the NVX NSW82v3 8" N-Series v3 Dual 2-Ohm Car Subwoofer?
4 stores we checked sell it, including Best Buy, eBay, Walmart, Amazon.

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Impedance
Dual 2 ohmSource
Xmax
10.5 mmSource
Frequency response
20 - 200 HzSource
Resonance frequency
39.10 HzSource
Sensitivity
85 dBSource
Top-mount depth
4.98"Source
Cutout diameter
7.12"Source
Voice coil
2.0" High Temperature Copper Voice coil with Aluminum FormerSource
Peak Power Handling
800 watts
Minimum Frequency Response
20 hertz
Maximum Frequency Response
0.2 kilohertz
Dual Voice Coils
true
Woofer Size
8"
Mount Depth
4.98 inches
Woofer Composition
Pressed Paper
Woofer Surround Material
High-Roll Foam
Brand
NVX
Model Number
NSW82v3
Number of Subwoofers Included
1
Integrated Amplifier
false