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NVX VSP4 with Sound Damping

450W Peak (150W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters + NVX SDBSK2 Premium Sound Damping

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• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

Learn more about the vsp4_sdbsk2
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2026-07-27 11:08:20
List price $90.73
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Description


NVX brand icon

Authorized dealer



The Perfect Way to Upgrade Your Factory System

NVX likes to provide their customers a high level of consistency when it comes to their products, especially when it comes to their speakers. When designing the V-Series Speakers, NVX had to keep the standards just as high as their X & N-Series. The V-Series Speakers met that and then some! With just the power from a standard head unit, these speakers lit up the interior of a demo car with brilliant highs and rich, powerful mids which really brought the music to life. They are confident that these speakers are legitimate contenders for high-quality aftermarket speakers.

A Complete Line-Up Made for Any Application

This series is one of the most versatile speakers in NVX’s catalog. Not only do the V-Series Speakers come in 4”, 5.25”, 6”, 6.5”, 6x8”, & 6x9” coaxials, but they are also available in component sets as well. There is no one else on the market today that delivers this level of sound quality at this price point for component speakers. NVX stands by that. The component sets are available in both 5.25 in. and 6.5 in. configurations. Each set of components comes with the 25mm VSPTW tweeters and two crossover networks engineered to beautifully complete the natural roll-off from the tweeters to the mid-woofers.

Brilliant Highs & Rich, Powerful Mids

Just like all of NVX’s other products, the V-Series Speakers are designed with long-lasting durability and high-quality sound in mind. Each cone is designed from a lightweight polypropylene material that provides your speakers with accurate mid and low notes. The Nitrile Butadiene rubber surround supports the linear movement for optimal accuracy for your speakers. The stamped steel basket is engineered for a sturdy foundation. The Y30 Ferrite motor structure maintains exceptional control over the driver for tight, crisp reproduction. The 1" 3/16 High-temperature TSV voice coil provides superior current distribution while effectively dissipating heat.

The Enhanced Tweeter Design Provides Remarkable Clarity & Definition

When it comes to designing the V-Series Speakers, NVX wanted to make sure they kept the same high-quality sound from their other speakers. NVX took the same silk-dome tweeter found in their N-Series speakers and improved upon them by increasing the surface area from 20mm to 25mm. This enhancement allows these speakers to directly compete with speakers 2-3 times the price. The tweeters deliver rich, warm treble with remarkable clarity and definition. Hear what all the noise is about with!

NVX VSP4

450W Peak (150W RMS) 4" V-Series 2 Way Coaxial Car Speakers
Quantity: 1

Product Details:

  • 4" V Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 450 watts per pair / 225 watts each
    • RMS: 150 watts per pair / 75 watts each
  • Polypropylene cone material
  • Nitrile Butadiene Rubber NBR speaker surround
  • 1" Silk Dome tweeters
  • CEA-2031 compliant: Yes
  • 1.5" voice coil
  • Ferrite magnet motor structure
  • Woven tinsel leads
  • Integrated crossover
  • Top-mount Depth: 2.04"
  • Cutout Dimensions: 3.66"
  • Impedance: 4 ohm
  • Frequency Response: 100 - 20000 Hz
  • Sensitivity: 86 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

PDF Icon NVX VSP4 owner’s manual

NVX SDBSK2 Premium Stealth Black

91 mil 1.38 sq ft Car Speaker Sound Deadening Kit (Two 10" x 10" Sheets)
Quantity: 1

Product Details:

  • 1.38 square feet sound deadening kit
  • Solid black design for any stealth car audio installation
  • Core is based with 100% pure butyl rubber to withstand extreme heat
  • No asphalt, tar, or cheap fillers - will not outgas, melt or fall off
  • Waterproof barrier protects against moisture damage and mechanical oils
  • Up to 30% thicker than cheap 50–80 mil alternatives
  • Flexible aluminum backing contours tightly to complex door panels and vehicle curves with ease
  • Structural damping kills unwanted sheet metal resonance caused by heavy mid bass
  • Seals the door cavity to drastically increase speaker bass response and clarity
  • Lowers cabin ambient noise so you hear your music instead of the highway
  • Reflects radiant heat to help keep your vehicle interior cooler
  • Simple three step peel and stick installation process makes upgrading your sound quick
  • Combine this kit with NVX SDRLR1 Rubber Roller for easy installation
  • Pack includes two 10" x 10" sheets
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Specifications:

  • Install Location: Speaker
  • Material Thickness: 0.091 (2.3 mm)
  • Amount of Material: 1.38 square feet
  • Material Use: Vibration Dampener
  • Optimal Performance Temperature: 14°F to 140°F
  • Rated Temperature Range: -75°F to 450°F
  • Application Temperature: 60°F to 90°F
  • Dimensions (each piece): 10"L x 10"W

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Specifications & Details


Speaker Specifications
CTA-2031 Compliant
Yes
Series
V Series
Total PEAK Per Pair/Set
450 watts
RMS Power Handling
75 watts
Peak Power Handling
225 watts
Woofer Surround
Nitrile Butadiene Rubber NBR
Woofer Composition
Polypropylene
Tweeter Composition
Silk
Tweeter Size
1"
Tweeter Design
Dome
Design
2-way Coaxial
Speaker Size
4"
Priced Per
Pair
Total RMS Per Pair/Set
150 watts
Sensitivity
86 dB
Number of Speakers
2
Cutout Dimensions
3.66"
Top-Mount Depth (Mounting Depth)
2.04"
Magnet Type
Ferrite
Shallow Mount Installation
No
Voice Coil Diameter
1.5"
Impedance (Per Voice Coil)
4 ohm
Frequency Response
100 - 20000 Hz
General specifications
Speaker Grilles
No
Color
Black
Sound Damping Specifications
Secondary Use
Vibration Dampener
Material Use
Sound Absorber
Total Amount of Material
1.38 square feet
Installation Location
Speaker
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

VSP4_SDBSK2

Weight:

4.80lbs

Internal SKU:

vsp4_sdbsk2

Internal Product ID:

207224

Customer Ratings & Reviews


NVX VSP4 with Sound Damping thumbnail image

5 star
91%
4 star
9%
3 star
0%
2 star
0%
1 star
0%



Durability
4.9
Value
4.9
Features
4.9
Design
4.9
Usability
4.9

Customer Reviews

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nvx 4

The following review is for VSP4, which is a part of the bundle you are viewing.

installed these in a 90 Chevy regular cab. For the price they sound great
but the highs are a little bright for my taste.

By Cory on May 31, 2014

79 found this helpful


Great deal

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Got this product free with the purchase of a pair of speakers it helps out a lot looks more professional and sounds cleaner definitely give it a try for your next project.

By Anonymous on August 8, 2019

62 found this helpful


dose what it supposed yo do

The following review is for VSP4, which is a part of the bundle you are viewing.

Pretty loud for four inch components. I would recommend them to any one

By Deven on January 5, 2015

66 found this helpful


Don't go without it

The following review is for SDBSK2, which is a part of the bundle you are viewing.

This really helps with overall sound quality, especially mid-bass in my experience. NVX offers excellent quality at better prices are than other popular sound deadening brands.

By Anonymous on September 9, 2019 Checkmark Icon Verified purchase

60 found this helpful


Very Thick Dynamat

The following review is for SDBSK2, which is a part of the bundle you are viewing.

This product is very thick compared to cheap versions. Priced excellent. If you want to reduce any vibration or road sound, choose this!

By Adrian on June 21, 2020 Checkmark Icon Verified purchase

59 found this helpful


Very pleased

The following review is for SDBSK2, which is a part of the bundle you are viewing.

I am glad I went with this brand. Easy application and works great in keeping my Corolla quiet and audio clean.

By Anonymous on November 26, 2019

59 found this helpful


NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Thick and heavy. I was suprised with the actual quality. For the price they’re great quality

By Anonymous on June 22, 2018

61 found this helpful


Good product

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Sticky and did hook well to the cars body . Got it for free with my speakers purchase. Sonic electronix for life

By Anonymous on October 6, 2019

58 found this helpful


NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

For the price, I wish it came with a bit more of the material compared to other packages, but it definitely does what it's supposed to and will make a noticeable difference if you knock on the door/panel where it was placed vs where it wasn't.

By Anonymous on June 12, 2018 Checkmark Icon Verified purchase

55 found this helpful


NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Easy to use and reduced vibration, allowing clear sound coming from my door speakers.

By Anonymous on June 8, 2018

54 found this helpful



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