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160W 6.5" 2-Way N-Series Coaxial Speakers with 20mm Silk Dome Tweeters

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List price $119.99

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160W 6.5" 2-Way N-Series Coaxial Speakers with 20mm Silk Dome Tweeters


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NVX SDSK2 Speaker Kit

Eliminates speaker panel distortion and reduces vibration, rattles, and squeaks!



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For a limited time only, Buy one set of 6" x 9" NVX Speakers and save 50% off on a 2nd pair of NVX 6-1/2" speakers!







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Special Price $24.99 ($49.99 if purchased separately)


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For a limited time, save 50% on an NVX sound damping speaker kit by clicking "Add both to cart" button on select speakers! This offer cannot be combined with any other coupons or offers.







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Special Price $7.49 ($14.99 if purchased separately)


• Eliminates Road Noise
• Quiets Vibrations
• Stops Annoying Rattles
• Increases SPL
• Reduces Heat
• Simple To Install
• Peel and Stick Installation
• Two 10" x 10" Pieces

(Offer 1 of 2)

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NVX Store

Redefining “Entry Level”

Don’t just replace your speakers – upgrade them! NVX 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. Treble is reproduced with stunning warmth and smoothness thanks to the 20mm real silk dome tweeter, a characteristic usually reserved for premium component systems. The light yet sturdy polypropylene woofer cone produces accurate midbass with a punch. The speaker utilizes an integrated filter network, which makes installing these speakers as simple as connecting the wires and mounting them to the door. The NSP65 is the 6-1/2” coaxial version – the N-Series is also available in 3-1/2”, 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 the N-Series from NVX!

General Features:

  • 6-1/2" N-Series 2-Way Car Speakers
  • Power Handling:
    • Peak: 160 watts per pair / 80 watts each
    • RMS: 80 watts per pair / 40 watts each
  • Polypropylene cone material is strong, yet lightweight for accurate mid and low tone
  • Nitrile Butadiene Rubber Surround supports smooth, linear movement for optimal accuracy
  • 20mm Silk Dome Tweeter delivers rich, warm treble with remarkable clarity and definition
  • High Temperature KSV Voice Coil provides superior current distribution with effective heat dissipation
  • Y30 Ferrite Magnet motor structure maintains control of the driver for tight, crisp sound reproduction
  • Stamped Steel Basket Provides a sturdy foundation for a durable and long-lasting speaker
  • 4 ohms impedance
  • CEA-2031 compliant speakers
  • Frequency response: 70-20,000 Hz
  • Top-mount depth: 2-7/16"
  • Sensitivity: 89dB
  • Optional Grills Also Available: NVX XGR665
  • Also found as: NSP 65, NSP6.5
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Speaker Specifications

This is the manufacturer product line of speakers.
N-Series (NVX)
Priced Per
Car Speakers are typically sold in pairs so you will receive 2 speakers for each speaker purchase on speakers marked "Priced Per Pair". If a speaker is marked "Priced Per Each" then the speaker is sold individually and each purchase you make will result in 1 speaker. High-powered tweeters, midrange and full-range pro audio for car speakers are typically sold per each speaker.
Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Tweeter Size
Refers to the size of the tweeter. Typically, smaller tweeters produces less output with higher frequency response.
Tweeter Composition
Materials such as polypropylene, silk, cloth, and paper are the most common, where as many more recent tweeters are now manufactured with composites such as Aluminum, Titanium, Mylar, and other materials.

PEI is an acronym for "Polyetherimide" which is an amorphous, amber transparent, high-performance thermoplastic.

Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Woofer Surround
A speakers surround is part of the suspension system. The surround protects the cone and prevents it from being displaced as it flexes out from the basket. It is usually made of a durable material like treated foam or rubber in order to withstand the strenuous job of producing bass frequencies.
Nitrile Butadiene Rubber (NBR)
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
160 watts
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
80 watts
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
89 dB
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
70 - 20000 Hz
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
4 ohms
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.

Top-Mount Depth
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
Cutout Dimensions
Refers to the dimensions of the hole, measured in inches or millimeters, required to contain the speaker.
5-9/16" x 5-9/16" 
Speaker Grilles
A grating or screen of metal or plastic bars or wires, mounted in front of a speaker as protection. If yes, the speakers will include matching speaker grilles. If no, there are no grilles included.
Optional (Accessory Required and Sold Separately)
Number of Speakers
This is the number of speaker that is included in the package. Each purchase will result in receiving the number of speakers indicated here. Please note that some items will have multiple woofers in the same enclosure. For sets of component speakers, this number will refer to the number of sets of speakers (For example, 2 would indicate the purchase includes 2 woofers and 2 tweeters).

Please refer to the product image and description for further details about the speaker.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating


tampa, fl

Great cheap speakers

May 11, 2014

I just installed these and I'm quite impressed. Clean highs that aren't overpowering, decent mids and much better bass than my stock speakers without distorting. I don't have them amped, I'm just running them off a JVC headunit but they still sound phenomenal with very little distortion at high volumes. I'll definitely be trying out other products from nvx.

55 of 91 found this helpful

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Stevens Point, WI

Great budget speaker

September 6, 2014

I put these in the front doors and some NVX 6x9s in the rear deck on a Cobalt to replace blown factory speakers. They were just running off the (extremely weak) factory GM radio.
I was very, very impressed with their performance for a budget speaker. The tweeters were bright without being too harsh, and the bass response was unreal for the tiny amount of power they were getting from the headunit. Now, they didn't slam like subs or anything, but it was solid bass.
I think it was

54 of 94 found this helpful

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fort irwin, CA

good quality sound

June 16, 2014

Good sound, pure quality for the price, my stock speakers gave out, but these NVX are much durable

50 of 93 found this helpful

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great sound

July 2, 2014

Installed these in front and rear door of my hummer h3 to replace the crap factory ones. They sound awesome. Have them running off of stock deck no amp. Put out plenty of bass and clear and crisp highs

51 of 97 found this helpful

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Nice speakers

January 4, 2014

Well made, sound good, I would buy again. Great job Sonic.

53 of 104 found this helpful

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Reedley, CA

Verified Purchase
Awsome Speakers

June 7, 2015

Replaced my stock door speakers for these and they sound amazing. The voice sounds crisp and it almost gives out a little bass here and there.

11 of 22 found this helpful

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Ariton, AL

Great product

March 1, 2015

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

28 of 56 found this helpful

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Josh C.

Birmingham, AL

Awesome Entry Level Option!

January 9, 2015

I put a set of these in my access doors in my Frontier a few months ago and love them. I have the 6x9 version in the front doors and am powering them with a MTX 4 channel at 55x4. The mids and highs are crystal clear and smooth. I prefer the silk tweeter on these to other options that have a more shrill or harsh sound to them. Can't speak to the way they sound on deck power or the bass response as they are running on a high pass crossover through the amp. I highly recommend them and the combo pack with a set of these and a set of the 6x9's is what I did. Phenomenal package deal for the value of these speakers.

40 of 81 found this helpful

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Denver, CO

NVX 6.5" coax speakers

November 12, 2014

For the price, you are not going to get a better replacement or entry level speaker. Good sound though they do not come with speaker grills/covers so consider that, should you need them for your specific application.

42 of 85 found this helpful

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scottsdale, AZ

great speakers

February 17, 2014

Workmanship and quality is great, they sound awesome. Great buy for someone looking for quality speakers at a good price.

46 of 94 found this helpful

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Louisville, KY

Sounds Great

November 18, 2014

i replaced factory speakers in my 2004 VW Passat and these NSP65's sound great.

42 of 89 found this helpful

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Accessory Tools and Products

Accessories added

Streetwires 25 ft. of True Spec 12 Gauge Speaker Wire

You need speaker wire to connect your speakers!

Your Price $44.95

Belva 23 ft. of True Spec 12 Gauge Speaker Wire

100% Copper Clad Aluminum, high strand count with ultra-flexible PVC blended jacket for easy installation

Your Price $14.99


Add a pair of matching speaker grills for the ultimate protection and style.

Your Price $12.99

NVX SDSK2 Speaker Kit

Eliminates speaker panel distortion and reduces vibration, rattles, and squeaks!

Your Price $14.99

Dynamat Xtreme Speaker Kit 10415

Enough sound dampening for 2 speakers!

Your Price $17.95

Stinger Roadkill Speaker Kit

Use this to eliminate rattle from your speakers!

Your Price $13.99

Car Stereo and Speaker Installation Tool Kit

Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.

Your Price $16.99

Universal Wire Puller & Grabber

Running wires has never been easier! This wire puller allows you to run wires through those hard to reach places!

Your Price $6.99

Xscorpion 9-Piece Nylon Plastic Pry and Chisel Tool Set

Easily removes dash/trims, door clips, panels and pins, rubber grommets and vehicle emblems.

Your Price $14.99

3 in 1 Wire Quick Splice T-Tap and Butt Connector Crimper + Wire Cutter

Used for cutting copper and aluminum wires up to 8 gauge.

Your Price $29.99

NVX SDRLR1 Sound Dampening Rubber Roller

Install your Sound Dampening with ease! This heavy duty rubber roller is designed specifically to install your NVX products!

Your Price $7.99

Speaker Baffles for your Speakers

Enhance the sound of your speakers with these easy to install speaker baffles.

Your Price $9.99

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Browse 2 questions and 15 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
NVX makes a great product and these powered off a deck sound great.
david p on Aug 3, 2015
I needed new speakers to replace my factory speakers that were blown
Kenneth H on Jan 14, 2015
replacement of factory bose
dylan w on Jan 24, 2015
has great reviews and great specs for the money and nvx usually builds really nice equipment without the huge mark up. Should be great bang for the buck!
Justin V on Nov 30, 2014
Looking for a good set front and rear of speakers for 1995 chevy truck not to exp ?
fatbabby on Oct 23, 2014
Best Answer: If you are running an amplifier, the NVX would be a great choice. I personally have 6.5" and 6x9" nvx n series as well as their 12" nsw sub. I'm powering everything one one amp in a 2011 altima and it sounds amazing! I love the NVX line up and for the price they cannot be beat.

Having said that, it comes down to if you are amping the speakers. One the factory head unit or even on a aftermarket I wouldn't expect them to sound great a loud volume. But if you're running speaker and not amping them I would look into the infinity line, all their speakers running at a 2-ohm load making them ideal for someone looking for speakers with out an amplifier. JBL and Polk also feature 2-ohm impedance allowing them to require minimal power.

Personally, I would go with the infinity reference! They are specifically made to run off the head unit or an amplifier and they have 93 sensitivity, meaning at the same wattage of other speakers they will play louder. That is key when looking at speakers, ohms, sensitivity and freq response!

Hope this helped
Reply · Report · Ryan D on Oct 24, 2014
· Add Answer · I Have This Question Too (0)

Product Summary


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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: NVX NSP65

  • NVX N-Series Speakers
  • NVX N-Series Coaxial Car Speakers
  • How To Check Speaker Polarity Installation Tip
  • Upgrade Your Speakers