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Image Dynamics CTX-65

200W 6.5" 2-Way CTX Series Coaxial Speakers w/ Silk Tweeters

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List price $189.99

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The Affordable Solution for the Autosound Enthusiast:

For those seeking out the industry's most affordable and well balanced speakers, consider the Image Dynamics CTX65. The CTX series offers incredible acoustic detail and beautiful tonal qualities that is rarely found in speakers of the same price range. Whether you are planning on powering the speakers directly off of the car stereo or with an aftermarket amplifier, the Image Dynamics CTX65 coaxial speakers will handle the power gracefully.

Image Dynamics CTX speakers have been carefully designed, meticulously engineered, and properly built with ideal materials. The final result is a well balanced speaker that sound brilliant in just about every installation. Experience the CTX sound today!

  • 6-1/2" CTX Series 2-Way Car Speakers
  • Power Handling:
    • Peak: 400 watts per pair / 200 watts each
    • RMS: 200 watts per pair / 100 watts each
  • Mica-Polymer cone
  • Butyl rubber surround
  • Silk dome tweeter
  • High-energy neodymium tweeter magnets
  • 4 ohms impedance
  • High temperature and high power voice coil
  • Sensitivity: 90 dB
  • Frequency Response: 58-22,000 Hz
  • Top-mount depth: 2-3/4"
  • Also found as: CTX-65
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Priced Per Pair

Speaker Specifications

This is the manufacturer product line of speakers.
CTX (Image Dynamics)
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 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.
Butyl Rubber
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.
200 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.
100 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".
90 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).
58 - 22,000 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.
Bottom-Mount Depth
The depth when installed from the bottom of the mounting surface. Measured from the bottom of the speaker's magnet to the top 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.
5-5/8" x 5-5/8" 
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.

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


Memphis, TN

Pleased & Surprised

September 18, 2012

I kind of went out on a limb ordering these (came in a combo package with CTX-6.5cs the ID12 D4 and the RE Audio XTX-500.5) I had never heard of Image Dynamics until I had shopped around for a new system for my 04 Trailblazer. I am by no means an audiophile, but I know what sounds good, and these things do. You can definitely push things things without worrying.

Overall, these things have really impressed me. I honestly haven't really listened to these a lot (I don't sit in the back seats that often). From what I have heard though, these things are pretty clear. They can be just a little muddy in the midrange at times, but it could always be what I'm listening to. That and 2 way speakers are doing more work to cover what components do. They have a good amount of punch to them, even towards lower listening levels.

I don't know how good the real low end of these are, because I rely more on my sub to take care of that. What I do know is my system is one of the best I've personally heard in a car thanks in part to these. I would definitely recommend these.

4 of 4 found this helpful

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Oakley, CA


September 25, 2012

They go loud but not as loud as I wanted they haven't blown out and they work good.

4 of 5 found this helpful

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Tulsa, Oklahoma

Good Quality For The Price

March 28, 2012

A little background. Replaced the factory setup in a 2011 Toyota Prerunner (4 door) pickup. Used ID 12 sub behind the seat. a Set of CTX-65's n the back doors. and 65 series components in the front doors. Running the CTX's off of head unit power believe it or not from a Kenwood Excelon.These really would sound great at about 125 watts give or take each of clean power but I did not want the headache of pushing the stock charging/battery system to power another external amp. intention of these speakers in the doors is to fill in between the sub and the front anyway. Great mid bass! mid range is decent not exceptional and the tweeters are good at the 25 or so watts running though them. Crossed over at 60HZ on up th eo do the trick. They would not hit as hard as the component set no matter what the power but are close and a great compliment. Both the CTX-65 and component equivalent are bass heavy which suits me fine. I also have deadened the doors and interior with Fatmat a great idea for many these with a minimum of 60 watts each of good power and they'd be fine or use them to simply fill in and transition between the sub and front and you can run them with less power but cross them over for clean sound. I run Linear Power amps modded by TIPS to put out about double wattage at .001% distortion on the rest of the system and these fill in fine but wouold be awesome at 60-100 watts of clean power I may add an amp for them later on currently the entire system is right at 1300 total watts.

3 of 4 found this helpful

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Seattle, WA

Amazing set, don't bother looking at anything else

December 2, 2011

I have been a fan of Image Dynamics for quite a long time and they make some of the best products around. I got a new vehicle and found my old Image Dynamics components were having issues and could't mount the units separated anyways without serious modification so went for these and they do not disappoint! Very tight bass, loud mids and highs and they LOVE power!! I needed a set that could handle 100w rms and after browsing (hadn't looked at car audio in 7 years!) This set from Image Dynamics was well ahead of every other company, especially for the price!

Not going to find any cons here, realize you are buying a super high rms, high quality set but they are not separates (components). Also realize these are basically a 3" mounting depth and the tweeter will stick up about another 1/2 inch or so depending on how you aim them. And yes, you can aim the attached tweeters with great variability on the positioning!

5 of 9 found this helpful

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hard to beat for the money

September 19, 2013


5 of 10 found this helpful

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must buy

April 30, 2012

Sound great. Can't be beat at this price. Make sure you are using an amp to run these, head unit power isn't near enough.

1 of 2 found this helpful

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South Richmond Hill, NY

Amazing Value

August 28, 2011

I'm certainly a newbie when it comes to car audio and after countless hours of research I decided to call Sonic Electronix and inquire with one of their employees. The gentleman was not only helpful, but also gave me a superb price for these speakers. I was skeptical at first, but upon receiving them and having it professional installed there was a clear difference from the stock Bose that came with my Infiniti G20. The first few days I listened at loud volume and the bass wasn't as impressive as I thought it be, certainly not better than the stock rear speakers. But on the 3rd day, WOW!!! I was amazed at how clear these speakers were even at full volume the sound were crystal clear. On a scale of 1-10, I'd say the Bass response is about a 7. It won't rattle your windows or car, but it's tight and well suite for listening inside your car. I'm an audio engineer and have always been keen on things like frequency and sound placement. Needless to say, these speakers have provided me with the comfort of winding my windows up and listening to a track and being engulfed in pure audio bliss. I highly recommend these speakers to anyone working with a budget. On a final note, you will definitely need an Amp and Subwoofer.

3 of 6 found this helpful

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Accessory Tools and Products

Accessories added

NVX 25 ft. of True Spec 12 Gauge Speaker Wire

100% OFC wire with EnvyFlex metallic jacket insulates and protects against damage from extreme conditions.

Your Price $39.99

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 $9.99

NVX SDDK12 Door Kit

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

Your Price $49.99

Dynamat Xtreme Door Kit 10435

Enough sound dampening to cover most doors!

Your Price $69.95

Stinger Roadkill Door Kit

Use this to eliminate rattle from your doors!

Your Price $46.99

Car Stereo and Speaker Installation Tool Kit

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

Your Price $14.99

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

Xscorpion WDCR2 Window and Door Clip Remover

Removes and installs handle and window crank clips.

Your Price $6.99

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 $21.99

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

Items we think you might want
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• Peak Power: 200W
• RMS Power: 100W
• 25mm Silk Soft Dome Tweeter
• Mounting Depth: 2-1/2"
• Lightweight Polypropylene Woofer Cone
• 4 Ohms Impedance
• Sensitivity: 89dB

Your Price $74.99

VSP60 thumbnail

• Peak Power: 200W
• RMS Power: 100W
• 25mm Silk Soft Dome Tweeter
• Mounting Depth: 2-1/2"
• Lightweight Polypropylene Woofer Cone
• 4 Ohms Impedance
• Sensitivity: 89dB

Your Price $69.99

Browse 1 question and 2 answers
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Why did you choose this?
Sonic Electronix Store
Great price and great reviews!
Jonathan C on Feb 16, 2015
These speakers sound amazing.
Dominic C on Feb 6, 2015

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: Image Dynamics CTX-65

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