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NVX NSP525 with Speaker Installation Kit

240W Peak (160W RMS) 5.25" N-Series 2-Way Coaxial Car Speakers with Speaker Baffles, Panel Removal Kit, Sound Dampening and Heavy Duty Roller

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• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB
• Mounting Depth: 1.96"

Learn more about the nsp525_acc_kit
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2026-07-27 11:08:20
List price $138.70
Thanks , You Pay:
-31%

$95.09

/pair  with warranty
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NVX - Worth the Envy - Direct to Consumer Car Audio

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Description


NVX brand icon

Authorized dealer





Redefining “Entry Level”

Don’t just replace your speakers – upgrade them! At NVX, we set out to build an affordable speaker solution for audio enthusiasts on a budget; although priced to compete with other “entry-level” speakers on the market, the N-Series offer sound quality and reliability which blows the competition out of the water. The materials and designs used in the N-Series were carefully selected to provide the best possible performance.

A Simple Installation Process for Every Application

The speaker utilizes an integrated filter network, which makes installing these speakers as simple as connecting the wires and mounting them to the door. N-Series is available in 3-1/2”, 6-1/2”, 4”, and 5-1/4” round models, and 4”x6”, 6”x8”, 6”x9” oval models. So if you’re in the market for a speaker that’s more about thrills than frills, look no further than our N-Series Speakers!

Designed & Engineered for Accuracy & Durability

Our speakers are designed with durability and sound quality in mind without having to break the bank. The polypropylene cone material is strong, yet lightweight for accurate mid and low tones. The Nitrile Butadiene Rubber Surround supports the smooth, linear movement for optimal accuracy. The Stamped Steel Basket Provides a strong, sturdy foundation for a durable and long-lasting speaker. The High-Temperature KSV Voice Coil provides superior current distribution with effective heat dissipation. All these materials combined make for a powerful line of speakers.

The Silk Dome Tweeter Delivers Impeccable Clarity

One of our favorite features in the N-Series Speakers is the amazing tweeters. The rich treble in our speakers are reproduced with stunning warmth and smoothness thanks to the 20mm silk dome tweeters. This material is usually reserved for premium component systems, however we are offering this feature in our pocket-friendly speakers.





NVX NSP525

240W Peak (160W RMS) 5.25" N-Series 2 Way Coaxial Car Speakers
Quantity: 1

Product Details:

  • 5-1/4" N-Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 480 watts per pair / 240 watts each
    • RMS: 160 watts per pair / 80 watts each
  • Polypropylene cone material
  • Nitrile Butadiene Rubber NBR speaker surround
  • 3/4" Silk Dome tweeters
  • CEA-2031 compliant: Yes
  • 1" voice coil
  • Ferrite magnet motor structure
  • Top-mount Depth: 1.96"
  • Cutout Dimensions: 4.72"
  • Impedance: 4 ohm
  • Frequency Response: 87 - 20000 Hz
  • Sensitivity: 88 dB
  • Optional NVX XGR525 speaker grilles (Sold separately)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

PDF Icon Check out the NSP525 Owner's Manual

NVX XBAF525

Universal 5.25" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)
Quantity: 1

Product Details:

  • 2-Piece 5.25" Self-Adhesive Silicone Rubber Speaker Baffles
  • Contains 2 waterproof foldable silicone baffles with egg crate foam
  • Includes self-adhesive foam base pads
  • Foldable rings allow for perfect fitment at varying depths
  • Creates a tight seal around your speaker for optimum sound quality
  • Reduces door panel vibration
  • Easy Installation with minimal trimming or cutting
  • Designed for use with 5.25" speakers
  • The foam baffles from the competitors will deteriorate over time, while the silicon XBAF525's will last a lifetime
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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

NVX SDRLR2

Universal Professional Heavy Duty Roller for Sound Deadening Mat
Quantity: 1

Product Details:

  • Works flawlessly with NVX sound deadening mats and other major insulation brands
  • Professional and heavy duty roller tool (used at car stereo shops worldwide)
  • Unique squared rollers provides more pressure for better installation
  • Allows for even pressure of application, reduce air bubbles and achieves the good adhesion
  • 2" solid, soft rubber roller contours perfectly without scratching surfaces
  • Features a thick sturdy plastic construction for comfortable handling
  • Product dimensions:
    • Roller Size: 1.89" H x 1.38" D
    • Handle Size: 5.24" L x1.06" D
    • Total Length: 7.28" L
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Belva BTK105

Five Piece Installer's Panel Removal Installation Tool Kit for Stereo, Speakers and Car Audio Installs
Quantity: 1

Stop wrapping screwdrivers in electrical tape and hoping for the best. If you want to make your next installation smooth, and keep your interior immaculate, pick up a set of these Belva BTK105 Panel Removal Tools.

This set of nylon plastic tools make your job easier when it comes to pulling off those interior pieces, but it also keeps you from marring your finish. When you're done with the job, no one will know you ever pulled anything off in the first place. Make your next audio improvement a cinch with the Belva BTK105 Panel Removal Tools.

General Features:

  • Five Piece Installer's Removal Tool Kit
  • Durable Nylon Plastic Pry & Chisel Tool Set
  • Helps with car stereo installation
  • Use for dash & trim removal
  • Perfect for door panel removal
  • Use to remove vehicles emblems
  • Use to remove rubber grommets
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty



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Specifications & Details


Speaker Specifications
Series
N-Series
Priced Per
Pair
Number of Speakers
2
Speaker Size
5-1/4"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Size
3/4"
Tweeter Composition
Silk
Woofer Composition
Polypropylene
Woofer Surround
Nitrile Butadiene Rubber NBR
Peak Power Handling
240 watts
RMS Power Handling
80 watts
Total PEAK Per Pair/Set
480 watts
Total RMS Per Pair/Set
160 watts
Sensitivity
85 dB
Frequency Response
87 - 20000 Hz
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
1"
Shallow Mount Installation
No
Magnet Type
Ferrite
Top-Mount Depth (Mounting Depth)
1.96"
Cutout Dimensions
4.70"
CTA-2031 Compliant
Yes
General specifications
Marine Certified
No
Hi-Res Certified
No
Color
Black
Speaker Grilles
Optional (Accessory Required and Sold Separately)
What is in the box?
Paperwork
User manual
WITB: Speakers
Speakers (2)
Mounting screws (8)
Mounting clips (8)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

NSP525, XBAF525, SDSK2, SDRLR1, BTK106

Weight:

7.36lbs

Internal SKU:

nsp525_acc_kit

Internal Product ID:

196624

Customer Ratings & Reviews


NVX NSP525 with Speaker Installation Kit thumbnail image

5 star
89%
4 star
10%
3 star
1%
2 star
1%
1 star
0%



Durability
4.8
Value
4.9
Features
4.9
Design
4.9
Usability
4.9

Customer Photos & Videos


Customer Reviews

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Wife's Honda Crv

The following review is for NSP525, which is a part of the bundle you are viewing.

I ordered these speakers for her CRV was recommended by West the sales rep. Nvx NSP525 two sets they sound great. Ready to the order the 61/2 for my car. I recommended this product and the reps are nice and know.

By edwin on October 6, 2014

119 found this helpful


Great product

The following review is for NSP525, which is a part of the bundle you are viewing.

These speakers look great and are very easy to install. Sound great too

By Jonathan on March 1, 2015

109 found this helpful


Great Backfill

The following review is for NSP525, which is a part of the bundle you are viewing.

I purchased these to use as backfill in my NVX system and I am pleased to report that they have met my expectations to a T. They are plenty clear, and handle the power I am throwing at them very well. Like most speakers of this size and design they are limited by how much bass they can produce, but for rear fill in a system they are perfect. My kids say this is a huge improvement over the Bose speakers they replaced.

By Christopher on June 9, 2014

107 found this helpful


Nvx speakers

The following review is for NSP525, which is a part of the bundle you are viewing.

I recommend the nvx speakers worth every penny can't go wrong

By Junior on December 2, 2013

99 found this helpful


perfect for Harley bagger upgrades

The following review is for NSP525, which is a part of the bundle you are viewing.

I have 4 of these running off my JVC head unit and they are plenty loud for the highway plus my loud exhaust on the bike overall love them and will be using them on all my bikes from now on

By Nick on May 24, 2015

84 found this helpful


Five Piece Installer Panel Removal Tool Kit for Car Stereo/Audio (Belva BTK105)

The following review is for BTK105, which is a part of the bundle you are viewing.

Good for the price, could be better, does what it’s supposed to

By Anonymous on May 29, 2018

68 found this helpful


Bulky

The following review is for BTK105, which is a part of the bundle you are viewing.

Bulky but overall decent product and not great in tight spaces

By OVO on October 10, 2016 Checkmark Icon Verified purchase

64 found this helpful


Nifty

The following review is for BTK105, which is a part of the bundle you are viewing.

Nice to have these to use instead of a screwdriver! So I don't mark up my doors, dash, or paint. A lot sturdier than they look as well.

By eric on May 29, 2020 Checkmark Icon Verified purchase

63 found this helpful


Great tools

The following review is for BTK105, which is a part of the bundle you are viewing.

These tools made my project really easy. They are great value and quality.

By Juan on November 15, 2017

63 found this helpful


Works great.

The following review is for BTK105, which is a part of the bundle you are viewing.

Used these on the wife's van (multiple panels) and my 68 fastback. The tools work like a charm. No scratches or issues on my panels and no broken tools is a victory all the way around.

By Jose on March 14, 2016

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.