600W Peak (200W RMS) 6.5" X-Series 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters

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• 300 watts Max Each, 100 watts RMS Each
• 1" Silk Dome Tweeters
• Lightweight Carbon Fiber cone
• Impedance: 4 ohms
• Sensitivity: 92 dB
• Mounting Depth: 2.52"

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2-Way 6.5 Inch Coaxial Speakers
Woven Tinsel Leads 25 MM Tweeter Rubber Surround
Carbon Fiber Cone

Product Details:

  • 6-1/2" X Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 600 watts per pair / 300 watts each
    • RMS: 200 watts per pair / 100 watts each
  • Lightweight Carbon Fiber cone
  • Rubber speaker surround
  • 1" Silk Dome German made tweeters
  • CEA-2031 compliant: Yes
  • 1-3/16" Voice coil
  • Woven tinsel leads
  • Ferrite magnet motor structure
  • Top-mount Depth: 2.52"
  • Cutout Dimensions: 5.71"
  • Impedance: 4 ohms
  • Frequency Response: 40 - 21,000 Hz
  • Sensitivity: 92 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

Specifications & Details

Speaker Specifications
X Series
Priced Per
Number of Speakers
Speaker Size
2-way Coaxial
Tweeter Design
Tweeter Size
Tweeter Composition
Woofer Composition
Carbon Fiber
Woofer Surround
Peak Power Handling
300 watts
RMS Power Handling
100 watts
Total PEAK Per Pair/Set
600 watts
Total RMS Per Pair/Set
200 watts
92 dB
Frequency Response
40 - 21,000 Hz
Impedance (Per Voice Coil)
4 ohms
Voice Coil Diameter
Shallow Mount Installation
Magnet Type
Top-Mount Depth (Mounting Depth)
Cutout Dimensions
CTA-2031 Compliant
General specifications
Marine Certified
Speaker Grilles
Includes Damping Kit
without Damping Kit
What is in the box?
User manual
WITB: Speakers
Speakers (2)
Mounting screws (4)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details



Model Number:




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Customer Ratings & Reviews

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Customer Reviews

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Amazing set of speakers! Super thrilled

I am really glad that I went by materials and specifications when I decided to go with these because I couldn't find any reviews. I compared these up against Focal and Infinity Kappa sets and they stacked up nicely with the cone and tweeters, power and efficiency. I am left with my jaw-dropped and cannot wait to try a few other products from NVX now. I'll try to upload pics this weekend.

By Craig W on April 1, 2022 Checkmark Icon Verified purchase


found this helpful.

Blew me away!

I have listened to some of the songs of my life for 30+ years from the likes of CCR, Joni Mitchell, Fleetwood and Springsteen and these speakers have set a new benchmark for me. The clarity is unmatched and I have enjoyed the likes of Focal, Kappas, and old school MB Quart and these speakers really gave me a new found appreciation for car speakers and the value play. No disrespect to NVX, but I figured I was buying nice "parts" (tweeter had nice specs, good power handling, blah blah) so I figured it was a good value. The overall final product though is ridiculous. The balance, tonality and clarity seriously are amazing. Thank you!

By Carl on April 21, 2022


found this helpful.

Great speakers

These speakers are amazing at this price point. I put it on a 2009 Toyota Venza on a stock radio non JBL and it sounds great. Good highs and great bass. Can't wait to install my double din pioneer radio to get more out of them. Of course on the stock radio volume is not as high, but they do sound great for what it is right now. Reliable. Can't say yet, just installed them, so day one. But I'm sure they will last a long time.

By Joel on June 12, 2022 Checkmark Icon Verified purchase


found this helpful.

Fantastic , but Fitment issues

Have these installed on the rear doors of my f150.

I have them paired to a set of the NVX XSP652 in the front doors and am pushing them with an NVX XAD41 amp getting signal from my Sony XAV-AX6000 head unit off the 5v RCA pre amp outputs.

These match perfectly to the XSP65KIT in the front to the point where, if I didn’t have a factory tweeter location on the A-pillars.

These play very loud and very clear provided you are doing what you can to keep noise down(low gain settings, aftermarket radio with high voltage preamps, keeping head unit volume below 80% and amp gain lowish). I’m pushing probably 50-60 watts to them with my current gain settings and they play perfectly clean to the point you don’t realize how loud they are until your ears start hurting.

The tweeters were pretty well balanced, but I turned down the top frequencies in my head unit eq two clicks to be less harsh at higher volumes(personal taste).

These have excellent bass for 6.5 inch speakers but are still 6.5 inch speakers.I installed 50mil sound deadening to the inside door skin and the to the outside behind my door panels to about 80 percent coverage and sealed all hole on door panels, then installed NVX XBAF65 baffles to seal so it’s not that.

I wish they made the 6x9 version of these in a component set, but alas they don’t. But I would recommend you look into the 6x9 if you or your installer feels comfortable modifying the doors if needed.They are adequate for most music by themselves but I still recommend getting a subwoofer to fill in that lower range.

I have my HPF on my head unit set to 50hz with a -36db slope and my amps set to full bypassing it’s hpf/lpf and that seems like a good place to start tuning with these. I didn’t feel like I lost any bass but did see a volume increase from them not wasting energy trying to play those frequencies you have different ears than me so YMMV

Be aware that these do not include any mounting screws and will not fit any standard 5x7/6x8 to 6.5 inch adapter bracket, they have an over sized basket and the mounting holes for the speakers will not line up with those adapter plates and the speaker stops 2 inches shy of flush because the center hole is not big enough, these baskets are too large to alter the brackets. I had to fab my own with some cheap plastic cutting boards, drill bits, and a oscillating multi tool.

By Frank R on July 7, 2023 Checkmark Icon Verified purchase


found this helpful.

By George on May 10, 2023


found this helpful.

Great value

These coaxials sound very good and the price was very nice, however installation was a little complicated because the basket at its widest point was a little too big to fit the opening of my particular back doors. I had to make trial and error spacers that in the end kid of fit. Other than that it sounds great, so far very durable and keeps up with my Blaupunkt's of the same size in the front doors. Overall, I would recommend these 6.5's any day of the week.

By Armando on March 28, 2023 Checkmark Icon Verified purchase


found this helpful.

NVX 6.5

This is the third pair of these Nvx x-series 6.5 that I have purchased from here they are a great set of of speakers crisp sound and easy install and for a great price you can’t beat them. Highly recommended to someone with a loud subwoofer(s)

By Pedro on July 1, 2023 Checkmark Icon Verified purchase


found this helpful.

By Robert on June 4, 2024 Checkmark Icon Verified purchase


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