Top 8 Best 6.5 Car Speakers Reviews

It’s no secret that factory car speakers are pure agony to our ears. Often times than not, I felt the urge to turn off my old car radio because it was simply producing noise and that can be even more awkward when I’m not alone in my vehicle.

In brief, my rambling factory speakers sounded so bad that they literally made me forget what it felt like to enjoy music while i’m driving. In time, I began to enjoy silence even more than my favourite tracks and it was at that point that I knew that something had to be done.

Unfortunately, I did not know what to do exactly. I found myself browsing through an infinite set of aftermarket car speakers with no trajectory. I did not know what size I needed, what brand or the difference between each. Hence, I took it on me to conduct a detailed research and figure out everything there is to know about car audio systems.

So, let us make it easier for you to get through this rite of passage by introducing you to the best 6.5 speakers in the market at the moment.

#1- Pioneer TS-A1675R 6.5 Speakers Review

  • Multilayer Mica Matrix cone material
  • Elastic Polymer speaker surround
  • Soft Dome tweeters with Wave Guide for increased sensitivity
  • High temperature voice coil
Size 6-1/2″
Design 3-way
Frequency range 35-31,000 Hz
Power Handling 
  • RMS : 100 Watts
  • Peak : 300 Watts
Sensitivity 90dB
Impedance 4 ohms

Pioneer TS-A1676R Speakers reviewPioneer has been in the game since time immemorial and all along, they’ve managed to offer quality car audio components. Their A series speakers has proven to be a top performer and a great substitute for any factory speakers out there.

Pioneer TS-A1675R are truly some of the best 6.5 car speakers that you can buy. These speakers boast a wide frequency response to ensure you are hearing every note of your favorite tracks. They can handle up to 100 watts of power on continuous basis -RMS- and they are rated for a sensitivity rating of 90 dB which makes them compatible with most factory headunits out there, let alone aftermarket headunits or external amplifiers.

These 3-way speakers are designed with quality in mind. They’re featured with multilayer mica-matrix woofers which allows the woofers to hold their shape and stay rigid even at high volumes, keeping distortion to a minimum so your bass sounds clean and punchy. The woofers are supported with elastic polymer surround which allows them to perform and stand up to hours of high-volume jams.

Then comes the tweeters which are surprisingly equally powerful. Most of the time, you’ll find that companies pour more emphasis on the woofers as they’re the main source of bass while partially neglecting the tweeters. However, Pioneer made sure that these speakers receives equally distributed attention.

Hence, Pioneer TS-A1675 4X6 speakers are equipped with 3/8″ PET dome tweeters and 1-5/8″ cone midrange drivers which are designed to provide great articulation in the high frequency spectrum.

Aditionally, these speakers are equipped with a passive crossover network which is meant to blend the mid-woofer and tweeter for a perfectly balanced sound all throughout the audible frequency range.

#2- Polk Audio db651 6.5 Speakers Review

  • Marine-certified — recommended for fresh water and powersports applications
  • Dynamic Balance polymer/mica composite woofer with butyl rubber surround
  • 3/4″ pivoting liquid-cooled silk/polymer composite dome tweeter
  • Neodymium tweeter magnet
  • Kapton voice coil
  • Built-in 2-way crossover network
  • ABS wheel-design grilles
  • Stainless steel mounting hardware
Size 6-1/2″ & 6-3/4
Design 2-way
Frequency range 35-22,000 Hz
Power Handling 
  • RMS : 120 Watts
  • Peak :  360 Watts
Sensitivity 92dB
Impedance 4 ohms

 Polk Audio DB651 6.5 car speakers reviewYou can’t really say that a speaker can make music sound better than it already is, can you? Well, yes you can.

If you have ever experienced any speaker from Polk Audio then you’ll know what we’re talking about. This is one of the most recognized brands in the loudspeaker industry. They’ve been around for over four decades and have engraved their name into the domain deeper than older brands.

We’re fond of Polk Audio car speakers, particularly dB series. The speakers at hand are some of the best 6.5 car speakers, all things considered.

Polk Audio db651 6.5 Speakers feature one of the highest sensitivity rating of 92dB. They can handle up to 120 watts RMS. So whether your car audio system is powered by a headunit or a powerful external amplifier, these speakers would be a great match either way.

These speakers are marine certified, which means that you can mount them in your boat or in your vehicle. They’re built with high quality materials that can withstand harsh conditions such as heat, moisture and vibration.

They feature 6-1/2″ polymer/mica composite woofers supported with durable rubber surrounds which add to bass response and increase the lifetime of the speaker under any conditions. Additionally, these speakers are equipped with 3/4″ pivoting liquid-cooled silk/polymer composite dome tweeters, which are designed to produce some of the cleanest yet liveliest high frequency responses you can expect from a speaker. But wait! There is more. The pivoting mechanism allows you to swivel these tweeters and aim them at your ears for improved stereo imaging.

Furthermore, The built-in two-way crossovers keep the high and low frequencies flowing to the proper drivers for seamless, efficient audio.

Bang for the buck, Polk Audio db651 are worth every penny you spend on them.

#3- Infinity Kappa 62.11i 6.5 Speakers Review

  • Plus One+ glass-fiber woofer cone with hi-roll rubber surround
  • 1″ edge-driven, soft dome fabric tweeter
  • Ultrahigh-frequency response (up to 25kHz)
  • Ultrahigh sensitivity (95dB@2.83V/1m)
  • UniPivot coaxial tweeter
  • Adjustable, push-button tweeter level control
Size 6-1/2″ & 6-3/4
Design 2-way
Frequency range 45-25,000 Hz
Power Handling 
  • RMS :  75 Watts
  • Peak :  225 Watts
Sensitivity 95dB
Impedance 2 ohms

Infinity Kappa 62.11I 6.5 car speakers reviewInfinity Kappa 62.11I are some of best 6.5 car speakers that Infinity has to offer. We have come across a ton of you who have used Infinity Kappa speakers and swear by them. Despite their relatively high price tag, these speakers are quite popular on today’s market and seem to be well-liked, and that’s for a good reason.

Infinity Kappa 62.11i 6.5 car speakers boast the highest sensitivity rating among all speakers we listed here. They’re rated for a sensitivity rating of 95 dB which is outstanding to say the least. Additionally, these speakers can handle up to 75 watts of power on continuous basis.

Since these speakers are very sensitive, they’d be a great fit for low powered stereo systems, but again, since they can handle that much power, they could also be a great fit for high powered stereo systems running off an outboard amp.

These 2-way speakers are built to deliver an impressive sound quality all throughout the audible frequency range, making time spent in your car seem more like a concert than a commute.

These speakers are featured with glass fiber woofers designed to stay rigid and hold their shapes even at higher volumes. Fiber glass material is very lightweight, therefore you don’t need a ton of power to drive these woofers. Additionally, if you’re a basshead, you’ll love the fact that these woofers are relatively large compared to most car speakers this size and that’s thanks to Infinity’s Plus One+ woofer technology which extends the cone right up to the edge of the basket, giving you more surface area than with most comparable speakers. And as you might already know, a bigger cone means more bass to complement the superior high-frequency response.

Speaking of highs, Infinity Kappa 62.11I 6.5 speakers use 1″ edge-driven, soft dome tweeters which are designed to handle more power and delivers smooth response way down into midrange frequencies not usually covered by regular tweeters. Therefore, You’ll get to enjoy a more clearly defined soundstage where you can picture the placement of every instrument.

#4- JBL GTO629 6.5 Car Speakers Review

  • Carbon-Composite Non Magnetic Frame
  • Carbon-injected cone material
  • Patented Plus One woofer-cone technology
  • Butyl Rubber speaker surround
  • Edge-driven, Fabric Soft Dome tweeter
  • Adjustable 0 or +3dB tweeter level attenuation
  • High-temperature voice coil
  • Vented magnet motor structure cools the voice coil
  • Fiberglass-reinforced Plastic (FRP) basket
Size 6-1/2″
Design 2-way
Frequency range 53-21,000 Hz
Power Handling 
  • Peak:  180 watts
  • RMS:  60 watts
Sensitivity 93dB
Impedance 3 ohms

JBL GTO629 Premium 6.5 car speakers reviewJBL is an American audio electronics company currently owned by Harman International. They were founded in 1946. They offer a wide variety of loudspeakers and audio components.

GTO629 are some of the greatest 6.5 car speakers that JBL have to offer. They’re considered to be a piece of art when compared to factory speakers.

As with most JBL car speakers, the GTO629 car speakers are nothing but amazing. These speakers can handle up up 60 watts RMS and feature a sensitivity rating of 93dB.

So, If you happen to be desperately in need of new reliable aftermarket speakers, like many others, then perhaps you want to give the GTO629 a try. These speakers are built to represent a hi-fi solution for anyone who is looking for a solid car audio system.

These speakers feature JBL’s unique Plus One woofer cone design, which is a technology that expands the diaphragm area of the cone to give you more dope, punchy bass.

Speaking of bass, these speakers are featured with carbon-injected woofer cones supported with butyl rubber surround which are meant to give you a better low-frequency response. Their edge-driven soft dome tweeters on the other hand ensure a rich experience in the upper frequencies. These tweeters feature a UniPivot™ design which allows them to be swivled and aimed directly towards your ears for a more detailed soundstage. Furthermore, you can use the adjustable level control to tweak the tweeters to your taste.

#5- Alpine SPR-60 6.5 Car Speakers Review

  • Multi-layer hybrid fiber woofer with Santoprene® rubber surround
  • High-Density polymer frames
  • 1″ Swiveling silk ring-dome tweeter produces smooth highs
Size 6-1/2″
Design 2-way
Frequency range 65-29,000 Hz
Power Handling 
  • Peak:  300 watts
  • RMS: 100 watts
Sensitivity 88dB
Impedance 4 ohms

Alpine SPR-60 6.5 car speakers reviewThis is what you can get if you’re willing to shell out some extra money. Alpine SPR-60 6.5 car speakers are designed to handle a ton of power and maintain extreme sound clarity, for totally exciting sound. So, if you’re one of those who like sound clarity and loudness, then Alpine Type-R speakers are your best bet.

Alpine SPR-60 6.5 car speakers feature a sensitivity rating of 88dB which is relatively weak compared to most 6.5 speakers we listed here. However, when it comes to power handling, these speakers can handle up 100 watts RMS which is outstanding to say the least. They will sound great running off almost any factory-installed or aftermarket head unit, but they’ll really shine when paired to an outboard amp.

Alpine SPR-60 6.5 car speakers feature multi-layer hybrid fiber woofers supported with Santoprene® rubber surround for really strong bass response. Alpine has adapted the specially ridged surround, originally developed for their subwoofers, to these speakers, which allows for an extended cone movement that pushes a lot of air, resulting in deep, muscular bass that gives your sound a powerful punch.

Additionally, these speakers are featured with 1″ silk dome tweeters that you can swivel and aim towards your ears for best imaging and staging.

#6- Kicker 40CS654 6.5 Car Speakers Review

  • Polypropylene woofer cone with polyester foam surround
  • 1/2″ PEI balanced dome tweeter design for superb clarity
  • Durable, Ribbed UV-Treated Polyester Foam speaker surround for precise linear excursion
  • Neodymium tweeter magnet motor structure
  • EVC (Extended Voice Coil) technology for high thermal handling
  • Shallow mounting design allows fitment into virtually any vehicle
Size 6-1/2″
Design 2-way
Frequency range 40-20,000 Hz
Power Handling 
  • RMS :  100 Watts
  • Peak :   300 Watts
Sensitivity 90dB
Impedance 4 ohms

Kicker 40CS654 6.5 car speakersLet me just add this speaker to the list because I would feel like I’m depriving you guys from something legendary otherwise. The Kicker DS65 has got to be one of the best 6.5 car speakers in the business as of right now and that represents some heavy competition for the big boys.

Kicker designed 40CS654 6.5 car speakers to get your car sound system rockin’ without breaking the bank. This system boasts a sensitivity rating of 90 dB and frequency response of 40-20,000 Hz. Additionally, they can handle up to 100 watts of power (RMS). In a nutshell, these speakers are made to be a great replacement to your worn-out factory speakers.

Kicker’s 40CS654 speakers are featured with polypropylene woofer cones supported with polyester foam surround for deep bass and maximum stability. Furthermore, the 1/2″ PEI balanced dome tweeter takes care of the vocal and music details making your music sound crispier and well-balanced.

These speakers will sound great powered by a factory radio or an aftermarket car stereo, however, they’ll truly shine when paired to an external amplifier.

#7- Rockford Fosgate R165X3 Prime 6.5 Speakers

  • Polypropylene woofer cone with rubber surround
  • 1/2″ silk dome tweeter
  • Piezo super-tweeter
  • Stamped steel basket
  • Integrated tweeter crossover
Size 6-1/2″
Design 3-way
Frequency range 52-20,000 Hz
Power Handling 
  • RMS :  45 Watts
  • Peak :  90 Watts
Sensitivity 91dB
Impedance 4 ohms

Rockford Fosgate R165X3 6.5 car speakersAnd we’re finally down to Rockford Fosgate which is one of the most authoritative brands in car audio industry. And if you frequent any of the popular car audio forums, you’ll notice that the name “Rockford Fosgate” comes up quite a bit.

Rockford Fosgate offers a wide variety of car audio components. Their “Prime” series of speakers seem to be well-liked as they’re designed to be a great, yet affordable replacement for factory-installed speakers.

Rockford Fosgate R165X3 Prime 3-way car speakers boast a sensitivity rating of 91dB and can handle up to 45 watts of power on continuous basis.

These speakers sport polypropylene woofer cones supported with rubber surround for consistent and reliable performance. Their 1/2″ silk dome tweeters and piezo super-tweeter on the other hand add the excitement of sharp highs to your music.

Additionally, the built-in crossover network redirects the lows to the woofers and the highs to the tweeters resulting in a well-balanced sound output and uncompromised richness at any volume.

With all of that being said, if you just want clear speakers that will play your music as clear as ever with some bass, then these speakers are definitely for you.

#8- Kenwood KFC-1665S 6.5 Car Speakers Review

  • Polypropylene woofer with treated cloth suround
  • 1″ balanced dome tweeter
Size 6-1/2″
Design 2-way
Frequency range 35-22,000 Hz
Power Handling 
  • RMS :  30 Watts
  • Peak :  300 Watts
Sensitivity 92dB
Impedance 4 ohms

Kenwood KFC-1665S 6.5 car speakers reviewRight now we’re getting closer to the end of this list and you’re absolutely right if you’re thinking that we saved the best deals for last. So, here goes the Kenwood KFC-1665S which is also considered to be one of the best cheap 6.5 car speakers out there.

You heard it here first, this might just be the best deal you can get if you’re looking for a cheap 6.5 car speaker that actually sounds good.

Kenwood KFC-1665S 6.5 speakers are rated for a sensitivity rating of 88dB and can handle up to 75 watts of power on continuous basis. These speakers are featured with water-resistant paper cones supported with rubber surround making them a great upgrade over stock speakers. The radial rib pattern on the cones increases speaker strength and delivers more responsive bass.

These 3-way speakers come with 1-3/16″ paper tweeters and 1/2″ ceramic super-tweeters in addition to an acoustic sound harmonizer which is meant to improve response in the 3000 to 4000 Hz range. This allows for bright musical repdroduction and more clearly defined soundstage.

Why Upgrade your Stock Speakers?

Unless you have a premium vehicle shipped with premium sound system, there’s a pretty good chance that your vehicle is begging for a serious overhaul in the speaker department.

Obviously, upgrading your factory-installed car speakers is one of the most cost-effective ways to experience better sound quality in your vehicle. With a good set of aftermarket speakers, you’ll enjoy brighter highs and beefier, punchy lows. Plus, you’ll probably hear details in your music that may have been missing before.

Aftermarket car speakers come in various sizes and brands. So, If your existing speakers are giving you a headache, a new set of 2-way or 3-way speakers will provide that extra crispness and detail you’re looking for. However, if you’re a serious audiophile and you’re re-building your vehicle’s stereo system, then component speakers are your best bet.

So, whether your car speakers are starting to wear out due to age and use, or they weren’t ever that great to begin with, here are a few reasons you should consider replacing them with aftermarket speakers.

1- Better Build Quality & Design

Car speakers are the very last thing that car manufacturers care about. On the contrary, car audio brands are always improving and pushing the envelope to make better sounding speakers. That’s why you’ll hear the difference that commitment makes when you replace your factory-installed speakers with brand-name speakers.

Aftermarket speakers are built with quality materials and feature multiple drivers including woofers and tweeters, midranges, or even super-tweeters, which allow for well-balanced sound all throughout the audible frequency range. Each of these drivers is built to accurately reproduce a specific segment of your music’s sound — the woofer for the lows, the tweeter for the highs, and so on.

Additionally, most aftermarket speakers are featured with advanced crossover circuits which ensure that the right frequencies go to the proper driver, so the speakers operates efficiently and deliver great, well-refined sound.

2- Better materials — Higher performance & long lasting

Obviously, aftermarket car speakers are built with high quality materials that can withstand harsh conditions and stand up to hours of high jams. These materials are not only durable, but also have superior sonic performance. Thus, You’ll enjoy deeper, tighter lows, cleaner, crisper highs, not to mention the confidence to know that your speakers will hold up over time.

3- Brand-name speakers — the cost-effective solution

There are a ton of ways to make your car stereo system sound impressive, but replacing your factory-installed speakers remains one of the most cost-effective ways to a better overall sound quality.



Alex Brown

Hey There, my name is Alex Brown, I'm a music lover and a car audio enthusiast who loves everything from new receivers to car security. I've been in this industry for years now. I enjoy creating solutions and simplifying everyday needs. My passion for music came at an early age. I love helping people get great sounding gear, thereby, saving the world from bad sound one customer at a time.

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