JBL GTO638 6.5 Inch 3 Way Speakers

JBL GTO638 6.5 Inch 3 Way Speakers Review

Today we will discuss JBL GTO638 6.5 Inch 3 Way Speakers. What’s the point of music if your body doesn’t move with every bass rhythm or you can’t feel all crisp tremble notes? Well, this is not a problem with good home theater system, but you really need the car

speaker for bass if you want to turn up the similar heat in your car. Because only a car speaker with good bass can give you the desired sound. In this jbl GTO638 reviews, I you may know why GTO638 is best for bass.

However, no matter how good they look, factory speakers don’t always succeed to give that tremendous performance on a road trip. You can’t even blame them for that.

Among so many other functions, car stereo system isn’t considered much of an issue by the manufacturers since it has nothing to do with the vehicle’s safety and durability.

And even if they are good, they are supposed to get old after some while, right? And an old tweeter or woofer isn’t that strong, sadly.

But that shouldn’t stop you from enjoying good music on a drive. If your current speaker isn’t working out, just replace them with brand new high-quality speakers.

There are many car speakers with good bass in the market. If you have no clue what would be good, why don’t you go for JBL GTO638 6.5-Inch 3-Way Speakers?

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JBL GTO638 6.5 Inch 3 Way Speakers Review:

JBL GTO638 Speakers are best known for separated details of individual notes. It features a Patented Plus One® woofer cone which increases the surface area by 25% more for explicit sound quality. It features a home theater-like edge-driven textile-dome tweeter. It’s a 3-way speaker with an additional super tweeter. Features built-in crossover. Altogether they make it the best car speaker for bass. The dome tweeter is adjustable, and the speaker features a two-inch mounting depth for convenient placement. Intermountain III mounting system has been applied for easy installation. Fit for any OEM vehicle.

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If the highlights aren’t enough, the features are thoroughly described below for customer convenience:


GBL 6.5 inch car speakers is a coaxial speaker. Driver components are connected inside one full-range speaker. So you won’t need an extra crossover device to unite the frequencies.

They can give you home theater-like experience in your vehicle and do it without the help of any additional amp or subwoofer. You want the best bass experience, close enough to a concert hall and within a low budget? JBL GTO638 6.5-Inch 3-Way Speaker is waiting for your call.

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3-Way Speaker:

It’s a 3-way speaker. Beside a woofer and a tweeter, it features a super tweeter for the sharpest division of frequency.

Mylar-Titanium Super Tweeter:

Tweeter and woofer are two absolute parts of a speaker, and they are liable for the speaker’s performance, but the whole thing gets better with the presence of a super tweeter, especially when it’s divinely constructed. This speaker features a Mylar-Titanium Super Tweeter. The combination of Mylar makes it compact with lighter weight.

It delivers home theater-like sound waves since it’s built with the large voice coil. Large coil extends the frequency higher than any average voice coil. You can adjust this tweeter to get your covetable sound result. Mylar-Titanium Super Tweeter is your best buddy for crystal clear music experience with sharply separated high frequency.

Mylar-Titanium Tweeter:

A speaker is the best speaker when its all components are built with quality materials for rich performance. And tweeter is an essential part since it’s needed for separating high-frequency notes.

That’s why, for the best performance and longevity, the tweeter is also constructed with mylar and titanium. Mylar-titanium built body makes it compact and lightweight. The tweeter is a pro with delivering particular mid-range frequency.

Combined with JBL patented Plus One woofer and mylar-titanium super tweeter, no doubt, it’s quite difficult to beat this tweeter in order to deliver edge-driven, explicit frequency, crystal clear, home theater-like sound.

Plus One® Woofer Cone:

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JBL has created its own woofer cone for an improved result, and the surprising fact is, they deliver much better audio performance than many other average cones available on the market.

JBL GTO638 features a woofer manufactured with JBL’s Plus One® technology. With its help, the cone’s area is much wider than average woofer cones. And you know, the wider the area, the higher the bass waves! Main reason to call it the car speaker with good bass!

Integrated Crossover Network:

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Instead of cheap bass blockers, JBL GTO638 6×5 Inch Speaker is manufactured with a built-in crossover network. Tweeter and woofer components are connected through this network to block mid-range sound distortion. And this network is the reason why JBL has the most life-like mid-range sound. Clear and noiseless.

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Intermount III Mounting System:

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We don’t judge your budget and situation. If you don’t own a Marcedes Benz, doesn’t mean your speaker system can’t look “bling bling” or the best sound quality system should only fit the expensive race cars.

We want everyone to have the best sound system, even our Elvis-fan gran and that’s why our speakers are shaped to fit any OEM cars, old and new.

JBL GTO638 Speakers are designed with the company’s signature Intermount III mounting system for easy mounting. And the replacement is quite easy with its installation rings no matter wherever the speaker location is.


Features grilles for protection against external damage and damping.


It works with 180 watts power maximum, 60 watts RMS and delivers high-quality sound within 50Hz – 21kHz frequency.

This product is designed for

  • Any OEM vehicle
  • Cars with door speaker facility


  • Built-in crossover network for clear mid-range audibility
  • Mylar-titanium tweeter and super tweeter
  • Mount positioning advantage and use of installation rings
  • Door speaker facility
  • Wider cone area for explicit bass experience


  • Grille attaching hardware isn’t sufficient
  • Some packages may carry defective speakers

Frequently Asked Questions (FAQ)

do they come single or in a set of two?

A: Set of two.

are these waterproof speakers?

A: No.

how many ohms?

A: 2 Ohms.

do i need an extra amp for clear bass?

A: The bass is already quite good. But you can still install amp if you like.

JBL GTO638 6.5 Inch 3 Way Speakers

Final Verdict

JBL is a recognized name in the speaker market, and they are famous for bringing quality in unique and stylish attire. You can easily rely on their products for the best audio performance.

GTO638 6×5 – Inch 3-Way Speakers are configured with their own patented techs instead of low-quality cheap materials which make it’s the best one. Do you want to make your car go all ‘boom boom pow’ with high-quality bass beats? Go for JBL GTO638 Speakers immediately!

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