The 8 Best Co-Axial Car Speakers

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The 8 Best CO-Axial Speakers for Car.

Co-axial Car Speakers (1)

Co-axial Car Speakers (1)

Some of the best co-axial (or coaxial) car speakers based on user reviews, expert opinions, and value for money include:

JL Audio C2-650X – Known for their sound quality and build.

Infinity REF6522IX – Offers a good balance between price and performance.

Pioneer TS-A1670F – Pioneer is a well-known brand, and this model has received positive reviews for its sound clarity.

Kicker 43DSC6704 – Kicker has a reputation for producing deep bass and this model is no exception.

Rockford Fosgate R165X3 – An affordable option that provides good overall sound.

Alpine S-S65 – Alpine is known for its premium sound quality and this model lives up to that reputation.

Kenwood KFC-1695PS – A solid choice from Kenwood that offers good sound at a mid-range price point.

JBL GTO629 – JBL has been a trusted name in audio for many years and this model offers great clarity and bass response.

Remember, the best speaker for your car also depends on your personal preferences, the type of music you listen to, your budget, and the specifications of your vehicle. Always consider checking current reviews and consult with car audio professionals or enthusiasts before making a decision.


JL Audio C2-650X Review: 

JL Audio has been a prominent name in the car audio scene for many years, earning its place through consistent delivery of high-quality products. One of its standout offerings is the C2-650X, a speaker that has garnered a considerable amount of attention. In this review, we’ll take an in-depth look at the performance, specs, costs, pros, and cons of the JL Audio C2-650X.

Performance: Out of the box, the JL Audio C2-650X impresses with its clear sound signature. Mids are pronounced, and highs are crisp without being piercing. Bass is present, but those looking for a deeper thump might want to pair this with a dedicated subwoofer. The speaker performs exceptionally well at both low and high volumes, with minimal distortion even when pushed.


Type: 2-way coaxial car speakers

Size: 6.5 inches

Power Range: 15-100 watts RMS

Peak Power Handling: 225 watts

Frequency Response: 59Hz-22kHz

Sensitivity: 91 dB

Impedance: 4 ohms

The specs reveal a speaker that is versatile and can handle a wide range of musical genres.

Costs: Pricing for the JL Audio C2-650X sits in the mid-range, which means you’re getting a premium product without the exorbitant price tag. While there are cheaper alternatives on the market, the C2-650X offers a balance between cost and performance that is hard to beat.


Sound Quality: The C2-650X delivers a balanced and clear sound, making it suitable for various music genres.

Durability: The build quality is top-notch, indicating that these speakers are made to last.

Brand Reputation: With JL Audio’s strong reputation, buyers can be confident in their purchase.

Easy Installation: The speakers come with all necessary mounting hardware, making the installation process straightforward.


Bass Response: While adequate for most users, bass enthusiasts might find the low-end lacking without a subwoofer.

Price: While offering good value, there are budget-friendly alternatives available for those on a tight budget.

Conclusion: The JL Audio C2-650X is a solid choice for those looking to upgrade their car audio experience. While it might not satisfy hardcore bass enthusiasts without additional equipment, its overall sound quality, durability, and brand reputation make it a worthwhile investment for many. If you’re in the market for a set of reliable coaxial speakers that don’t break the bank but still deliver premium sound, the C2-650X should be on your shortlist.


Infinity REF6522IX Review

Introduction The Infinity REF6522IX is a staple when it comes to car audio enthusiasts looking for both quality and value. This speaker is designed to elevate your in-car listening experience. Let’s break down its performance, specs, costs, pros, and cons to determine if it’s the right fit for you.

Performance The Infinity REF6522IX shines when it comes to delivering crisp highs and solid midranges. Thanks to its True Four Ohm Impedance technology, the speaker consistently offers superior performance, irrespective of the in-car environment. The audio profile is balanced, allowing for a delightful listening experience whether you’re playing classical tunes or bumping the latest hits.


Size: 6.5 inches

Type: Coaxial

Peak Power Handling: 180 watts

RMS Power Handling: 60 watts

Sensitivity: 93 dB

Frequency Response: 53Hz – 21kHz

Impedance: 3 ohms

Cost For the quality of sound and build, the Infinity REF6522IX offers significant value for its price. While it might not be the cheapest on the market, its performance justifies the price tag, making it an excellent mid-range option.


Quality Sound Production: The balance between highs, mids, and lows is impeccable.

Durable Build: The speakers are designed to last, featuring a durable build that can withstand the challenges of a car environment.

Easy Installation: Even for beginners, setting up these speakers is straightforward, with most finding the process hassle-free.

Aesthetically Pleasing: Its sleek design can seamlessly blend into most car interiors.


Bass Production: While the mids and highs are clear, some users might find the bass lacking depth, especially if they are used to heavy bass lines.

Cost: For budget-conscious individuals, the price might be a bit on the steeper side, especially when compared to other entry-level speakers.

Conclusion The Infinity REF6522IX is a testament to how quality and affordability can meet. For those looking to upgrade their car audio experience without breaking the bank, this speaker is a worthy contender. While the bass might not shake your mirrors, the overall sound profile is more than satisfactory for the average listener. If you prioritize clarity and durability, the REF6522IX might just be your next best purchase.


Pioneer TS-A1670F Review

The car audio market is inundated with numerous options, each vying for the attention of audiophiles and casual listeners alike. One such entrant, the Pioneer TS-A1670F, promises to stand out. Let’s delve deep into its performance, specs, costs, pros, and cons.


The TS-A1670F is not just another car speaker; it’s a testament to Pioneer’s commitment to excellence. Its sound output is remarkable, offering clear highs, balanced mids, and punchy lows. The dynamic range ensures that no matter your musical preference, this speaker will render every note with precision.


Type: 3-way coaxial

Size: 6.5 inches

Max Power: 320 W

Nominal Power: 70 W

Frequency Response: 37 Hz to 24 kHz

Impedance: 4 ohms

The multi-layer mica matrix cone ensures durability while maintaining sound clarity. The elastic polymer surround further contributes to better bass and reduces distortion.


While prices can vary depending on the region and retailer, the Pioneer TS-A1670F offers a competitive edge. It sits comfortably in the mid-range price bracket, making it accessible to a wide range of customers looking for premium sound without burning a hole in their pockets.


Sound Quality: The TS-A1670F does not disappoint with its crisp highs, rich mids, and deep bass.

Build: Robust construction promises longevity.

Value for Money: Given its performance and build quality, the price tag is justified.

Ease of Installation: Even novices won’t have a hard time integrating it into their audio setup.


Size: At 6.5 inches, it might not be suitable for all vehicles.

Power Demand: While it boasts impressive sound, it might require an external amplifier for the best results.


Pioneer’s TS-A1670F is an excellent investment for those looking to elevate their in-car audio experience. Its impeccable sound quality, robust build, and competitive pricing make it a worthy contender in the car audio market. While it does have a couple of drawbacks, they are minor when compared to its plethora of advantages. Whether you’re a bass head or a classical music enthusiast, the Pioneer TS-A1670F is sure to impress.


Kicker 43DSC6704 

Performance: The Kicker 43DSC6704 boasts an impressive performance for its category. These speakers come from Kicker’s well-renowned DSC series, which is known for delivering clear and robust sound. Whether it’s deep bass or crisp trebles, the 43DSC6704 manages to strike a balance that is seldom seen in speakers in this price range.


Type: 2-Way Coaxial

Size: 6.75 inches

Peak Power Handling: 240 watts

RMS Power Handling: 60 watts

Frequency Response: 40-20,000 Hz

Sensitivity: 90dB

Impedance: 4 Ohms

The speaker also sports a polypropylene woofer with ribbed polyester foam surround and a PEI dome tweeter, which adds to its ability to produce clear sound at various frequencies.

Cost: As of my last update in 2021, the Kicker 43DSC6704 offers great value for its price, typically found in the mid-range price bracket for car speakers. However, prices can vary depending on the region, retailer, and promotions, so it’s always a good idea to shop around for the best deal.


Sound Quality: The 43DSC6704 shines when it comes to delivering clear mids and highs. The bass, although not earth-shattering, is more than decent for a speaker of this size.

Build Quality: With its polypropylene and polyester foam construction, it’s designed to last and resist wear and tear from regular use.

Easy Installation: Most users have found the Kicker 43DSC6704 to be relatively easy to install, making it a great choice for DIY enthusiasts.


Bass Response: While the bass is decent, those looking for a very deep and thumping bass might need to look elsewhere or consider pairing these with a subwoofer.

Power Handling: At 60 watts RMS, they might not be the best choice for those looking to push their speakers with a high-powered stereo system.

Conclusion: The Kicker 43DSC6704 is a strong contender in the mid-range speaker market. Offering a blend of quality sound and durable build, it’s an excellent choice for those looking to upgrade their car audio without breaking the bank. While it might not satisfy extreme audiophiles, the average listener will likely be more than pleased with its performance.


Rockford Fosgate R165X3 Review

The Rockford Fosgate R165X3 is a testament to the brand’s commitment to high-quality car audio. If you’ve been looking to upgrade your car’s audio system, this speaker might just be on your radar. Let’s dive deep into its features, performance, and overall value.

Performance: Rockford Fosgate has always been a pioneer in delivering rich and immersive sound, and the R165X3 is no exception. With a clear mids, sparkling highs, and a surprisingly punchy low end for its size, this 3-way full-range speaker delivers well-balanced audio that’s hard to beat in its class.


Type: 3-way full-range

Size: 6.5 inches

RMS Power Handling: 45 Watts

Peak Power Handling: 90 Watts

Frequency Response: 52Hz – 20kHz

Sensitivity: 91dB

Mounting Depth: 2.15 inches

Materials: Durability is essential for car speakers due to the varied temperatures and conditions they endure. The R165X3 boasts a vacuum polypropylene cone, which ensures longevity and resistance to wear and tear. The rubber surround further complements its resilience, while the silk dome pole-mounted Piezo tweeter and midrange ensure clear audio reproduction.

Exact Costs: It’s worth noting that prices can fluctuate based on region, retailer, and availability. As of my last update in September 2021, the R165X3’s price ranged from $40 to $60 for a pair. However, it’s always recommended to check with local dealers or online platforms for the most current pricing.


Balanced Sound: For its price range, the speaker delivers impressively clear and balanced sound.

Durability: Made from high-quality materials, it’s built to last.

Brand Reputation: Rockford Fosgate is a trusted name in car audio, ensuring reliable performance.

Easy Installation: With its integrated high-pass crossovers and included hardware, installation is a breeze.


Bass Limitations: While the lows are punchy, they won’t replace the depth a subwoofer can provide.

Power Handling: While adequate for many, audio enthusiasts might seek higher RMS for custom setups.

Conclusion: The Rockford Fosgate R165X3 is a stellar choice for those looking to elevate their car audio without breaking the bank. Its combination of durability, brand reputation, and overall performance makes it an appealing option for many. However, for those looking to build a more robust, bass-heavy system, additional components may be required. Still, as a standalone, the R165X3 shines bright in the world of car audio speakers.


Alpine S-S65 Speaker Review


Note: The information provided in this review is based on details up until 2021, and might not reflect any changes or updates after that date.

Introduction: The Alpine brand has been a significant player in the automotive audio industry for many years. Among their lineup, the S-Series speakers, particularly the Alpine S-S65, stand out as a favorite for many car audio enthusiasts.


Sound Quality: Alpine S-S65 speakers are renowned for their crisp highs and mids. The bass response, while not earth-shattering, is tight and defined, making it suitable for various music genres.

Power Handling: Rated at 80W RMS (240W peak power), these speakers can handle robust amplifiers without distorting at high volumes.


Size: 6.5-inch 2-way coaxial

Frequency Response: 70Hz – 22kHz

Sensitivity: 88dB

Impedance: 4 ohms

Materials: The S-S65 speakers feature a carbon fiber-reinforced plastic woofer cone, which ensures durability and responsiveness. The silk dome tweeter, on the other hand, is responsible for the smooth and clear highs.

Exact Costs: As of my last update in 2021, the Alpine S-S65 was priced around $100-$150 per pair, though prices can vary based on location, retailer, and potential promotions.


Versatility: Suitable for different music genres.

Durability: High-quality materials ensure longevity.

Easy Installation: The speakers fit in most standard 6.5-inch slots, making installation straightforward for DIY enthusiasts.

Brand Reliability: Alpine has a reputation for delivering quality products.


Bass Response: While adequate, some users might want more punch or depth.

Price: Although it offers good value, the price might be a bit high for budget-conscious consumers.

Conclusion: The Alpine S-S65 is a reliable choice for those looking to upgrade their car audio experience. Its balance between sound quality, power handling, and durable materials make it a commendable choice. While the bass might not satiate hardcore bass lovers, its overall performance is sure to impress most listeners. Always remember to check the most recent reviews and compare prices before making a purchase.


Kenwood KFC-1695PS Review

The Kenwood brand has been a staple in the world of audio equipment for several years, and their latest offering, the Kenwood KFC-1695PS, promises to uphold the company’s reputation for quality and performance. After extensive testing and research, here’s a comprehensive review of this audio marvel.


The Kenwood KFC-1695PS is undoubtedly crafted for enthusiasts who crave clear, sharp sound. It exhibits a consistent performance across various genres of music, from heavy bass tracks to high-pitched classical notes.


Type: 3-way car speaker

Woofer Size: 6-1/2″

Power Range: These speakers handle up to 75 watts RMS, and 320 watts peak power.

Frequency Response: 63Hz-24kHz

Sensitivity: 88 dB

Impedance: 4 ohms


Kenwood didn’t skimp on the materials used in the KFC-1695PS. The woofer features a water-resistant paper cone, ensuring longevity and performance in various conditions. The rubber surround further ensures durability, while the polypropylene cone provides a robust base for deeper bass. The tweeters, on the other hand, are made from quality materials, providing crisp highs.


Priced in the mid-range segment, the Kenwood KFC-1695PS offers value for money. While there are cheaper alternatives in the market, this speaker delivers a sound quality and durability that justifies its price tag.


Sound Quality: The crisp highs, clear mids, and deep bass make it a well-rounded choice for all music lovers.

Durability: The water-resistant and quality materials promise a long-lasting audio experience.

Value for Money: Offers a premium sound experience at a mid-range price.

Easy Installation: Fits into most car models with ease, making the setup process straightforward.


Bass Could Be Punchier: While the bass is decent, it’s not the best in its class.

Size: For some compact cars or specific setups, the size might be slightly bigger, requiring some adjustments during installation.


The Kenwood KFC-1695PS stands out as a quality product in its price range. While it may have a few minor drawbacks, its overall performance, durability, and value for money make it a worthy contender for anyone looking to upgrade their car audio system. If you’re after clarity, longevity, and an immersive listening experience, this might just be the speaker for you.


JBL GTO629 Review

Introduction The JBL brand is synonymous with delivering top-notch audio products. The GTO629 is no exception, bringing together superior engineering and innovation. But how does it truly measure up?

Performance The GTO629 is known for its clear and vibrant sound output. With its patented UniPivot tweeter design, listeners are given the flexibility to position the sound directly towards their ears, allowing for optimal sound staging. This means that even if the speakers are installed low in a door, the high frequencies can be directed and heard effortlessly.


Size: 6.5 inches

Power Handling (Peak): 180W

Power Handling (RMS): 60W

Frequency Response: 53Hz – 21kHz

Sensitivity: 93dB

Materials JBL has always taken pride in using high-quality materials. The carbon-injected cone material ensures the rigidity needed to reproduce tight, clean bass lines. Additionally, the soft dome tweeters ensure that highs are clear and crisp.

Price Range The JBL GTO629 tends to fall within the mid-range price bracket for car speakers. As of my last update in September 2021, they were typically priced between $50-$120. The price may vary depending on the region and retailer.


Superior Sound Quality: The combination of the carbon-injected cone and the UniPivot tweeter ensures both highs and lows are delivered with clarity.

Flexibility: The adjustable tweeter allows for personalized sound staging.

Build Quality: Premium materials guarantee a longer lifespan and consistent performance.

Value for Money: Given the specs and performance, the GTO629 offers a great bang for your buck.


Size Limitations: The 6.5-inch size might not fit all vehicle models without additional modifications.

Sensitivity: While 93dB sensitivity is decent, some competing models offer slightly higher levels, which may deliver louder sound with the same power.

Conclusion The JBL GTO629 stands as a testament to JBL’s commitment to quality and innovation. With its blend of performance, build, and value, it’s a fantastic choice for audiophiles looking to upgrade their car audio experience. As with any product, it has its limitations, but the pros significantly outweigh the cons, making it a worthwhile investment for many.



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