JBL GTO939 GTO Series 6×9 300W Speakers Review

I was in the market for a new set of car speakers, and I wasn’t sure which ones to buy. 

There are so many different types of car speakers on the market these days, that it can be hard to decide which ones are right for you. 

After reading some JBL GTO939 GTO Series 6×9″ 300W Speakers reviews, I decided to give them a try. And I’m glad I did! These speakers sound amazing and really enhanced the sound quality of my car audio system.

JBL GTO939 GTO Series 6×9 300W Speakers Review

Overview

The JBL GTO938 is a great sounding pair of car speakers that will definitely improve the sound quality of your car audio system. 

These speakers are very well-made and look great, too. They have a nice, deep bass response and really clear highs. 

It is a great choice if you’re looking for a quality set of car speakers that will improve the sound of your car audio system.

  • 6 x 9-inch three-way loudspeaker pair.
  • Plus One woofer cone with rubber surround
  • Adjustable mylar-titanium tweeter and supertweeter with level control
  • 300 Watts peak power handling; 2 ohm impedance
  • Three-inch mounting depth

Who Are The Speakers Intended For?

The JBL GTO938 is a 3-way car speaker designed to give you audiophile sound quality without breaking the bank.

These speakers are easy to install and are compatible with both aftermarket head units and factory-installed systems.

This speaker is designed for those who are looking for an upgrade to their existing car audio system to an extreme level of sound without spending a lot of money.

Installation

Installing these speakers is a breeze, thanks to their design as replacements for factory-installed OEM speakers.

They are easily installed into nearly any factory-built 6� X 9� location without any special tools or additional modifications.

If you are upgrading an older set of aftermarket speakers, the easy installation of its makes replacement simple as well.

True 4-Ohm Topology

The GTO938 features a true 4-ohm topology. This means that the speaker’s impedance is always 4 ohms, regardless of how much power is being sent to it.

This makes it compatible with nearly any amplifier on the market today.

One Cone Technology

The GTO938 uses a 6” X 9” woofer with the patent-pending JBL Plus One cone technology.

Plus One technology gives the more cone surface than competing models of the same size–up to 30 percent more in many cases. With a larger cone area, the speakers provide higher efficiency and better bass response.

The Wattage

These speakers can handle up to 300 watts of power, making it one of the most powerful speakers in their class.

In addition, it is compatible with both aftermarket head units and factory-installed systems.

Plus Sensitivity

It has a sensitivity rating of 92dB, meaning that it can produce loud, clear sound even when powered by a low-wattage amplifier.

Mylar-Titanium Tweeter

It features a 1” soft dome tweeter that provides clear, detailed highs. The tweeter is also protected by JBL’s UniProt coating, making it resistant to damage from UV rays and moisture.

UniProt

JBL’s UniProt coating protects the GTO938’s 1” soft dome tweeter from damage caused by UV rays and moisture. This makes the speaker ideal for use in both sunny and humid climates.

Advantages

  • First, its true 4-ohm topology makes it compatible with nearly any amplifier on the market today.
  • Second, it’s one cone technology gives it up to 30 percent more cone surface than competing models of the same size.
  • Third, its sensitivity rating of 92dB means that it can produce loud, clear sound even when powered by a low-wattage amplifier.
  • Fourth, its UniProt coating protects the speaker’s tweeter from damage caused by UV rays and moisture.

Disadvantages

  • Some people might not like the fact that it’s a 3-way speaker. However, this is actually an advantage because it means that the speaker can produce clearer sound with less distortion.
  • Some people might also find the GTO938’s price to be a bit high. However, you get what you pay for with these speakers, and they are definitely worth the price.

My Recommendation

According to my own personal experience, I highly recommend the JBL GTO938 car speaker. It’s easy to install, has great sound quality, and is very durable.

If you’re looking for an upgrade to your existing car audio system, I believe that you will be very satisfied with it.

FAQs

Will these speakers fit in my vehicle?

These speakers will fit in nearly any factory-built 6” X 9” location without any special tools or additional modifications.

If you are upgrading an older set of aftermarket speakers, the easy installation of its makes replacement simple as well.

How do they compare to other brands?

The GTO938 is one of the most powerful speakers in its class and can handle up to 300 watts of power.

Compare to other brands, it is also compatible with both aftermarket head units and factory-installed systems.

What is the warranty?

It comes with a one-year limited warranty. Plus, it is also covered by JBL’s five-year extended warranty program.

What are the dimensions of these speakers?

It has a diameter of 6.5 inches and a depth of 3.4 inches. Its mounting depth is 2.9 inches.

How much do they weigh?

Each speaker weighs 4.6 pounds.

What is the frequency response?

It has a frequency response of 35Hz-21kHz.

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