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JBL GTO6429 4"x6" 2-way car speakers

Item # 109GTO6429

If you're in the market for new speakers, you've just found a serious contender.

Find what Fits your vehicle

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If you're in the market for new speakers, you've just found a serious contender.

1 question - 4 answers

Item # 109GTO6429

Shop all JBL 4"x6" Speakers

About the JBL GTO6429

Alexander H.

Go for it

If you're in the market for new speakers, you've just found a serious contender. JBL created their GTO6429 4"x6" speakers as a hi-fi solution for those who want better sound in their vehicle.

Go for it

If you're in the market for new speakers, you've just found a serious contender. JBL created their GTO6429 4"x6" speakers as a hi-fi solution for those who want better sound in their vehicle.

JBL innovation

You'll find JBL's unique Plus One woofer cone design at work here, which expands the diaphragm area of the cone to give you better low-frequency response. Edge-driven soft dome tweeters ensure a rich experience in the upper frequencies, defined by a bright, open quality. These JBLs also offer slightly lower impedance than standard car speakers, so they'll safely draw a little more power from your car stereo, yielding big volume even with low-powered factory radios. But if you want to blast these babies, they'll handle up to 50 watts RMS from an outboard amplifier.

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Product highlights:

  • 4"x6" 2-way speakers (pair)
  • carbon-injected Plus One™ woofer cone with butyl rubber surround
  • edge-driven silk balanced dome tweeter
  • power range: 5-50 watts RMS (135 watts peak power)
  • impedance: 3 ohms
  • frequency response: 75-21,000 Hz
  • sensitivity: 92 dB
  • top-mount depth: 1-11/16"
  • grilles not included
  • warranty: 1 year
  • MFR # GTO6429

What's in the box:

  • Two 2-way speakers
  • 2 JBL logo badges
  • 2 Adhesive backed foam gasket strips
  • 2 Standard 4x6 Adapter brackets (with speakers installed)
  • Instruction manual

Customer reviews for JBL GTO6429

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5.0 out of 5 stars
16 reviews

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More details on the JBL GTO6429

Pat M.

Features & specs

General
Speaker Size 4X6
Design 2-way
Tweeter Design Balanced Dome
Impedance (Ohms) 3
Tweeter Composition Silk
Woofer Composition Carbon-injected
Woofer Surround Butyl Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) N/A
Sensitivity at 2.83 volts 92
Frequency Response 75 - 21k Hz
Minimum RMS Wattage 5
Maximum RMS Wattage 45
Peak Power Handling (Watts) 135
Top-mount Depth (Inches) 1 11/16
Bottom-mount Depth (Inches) 2 5/16
Cutout Diameter or Length (inches) 0
Mounting Height (Inches) 0.637
Frame Width 4.039
Frame Length 6.313

Product Research

Features

Plus One Woofer Cones: The Plus One speaker cones offer more surface area than other speakers that fit in the same size opening. This is accomplished by using a new basket design and hi-roll surround. The result is greater bass output and an increase in efficiency.

Balanced Dome Tweeter: Each speaker has a balanced dome tweeter. A semi-dome tweeter has a dome placed inside a cone. Balanced dome tweeters are semi-dome tweeters with equal reproduction area given the cone and dome portions of the tweeter.

FRP Frames: The fiberglass-reinforced plastic (FRP) frames used in the GTO series speakers resist warping, even when mounted on uneven surfaces. The nonmagnetic carbon composite has no impact on the motor structure and the plastic doesn't resonate.

High-Output Design: The 3Ω voice coil design compensates for the high in-line resistance of small gauge factory wiring, extracting more power from factory (or aftermarket) receivers. This results in clearer, richer sound for the listener.

Size Classification Note: The GTO 6429 comes mounted on a standard 4x6 bracket (the most common 4x6 application). The bracket can be removed, converting the speaker to a Metric 4x6, thus expanding the number of vehicles into which they can be easily installed.

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Customer Q&A

1 question already asked

Q
I don't plan on installing an amp or crossovers to install these. Will installing these to replace the factory speakers be an improvement in sound quality? I just want to have better quality sound than the factory speakers.
steven  Jun 27, 2016
4 answers
A
Yes
don  Jun 29, 2016
A
yes they worked for me just like you want
douglas j  Jun 28, 2016
A
I bought these speakers for my 1968 Corvette, and they fit perfectly in my kick panels. I have them with my Alpine CDE-164BT Radio and they are hooked up without amplification, they sound great!, I do have Polk 6x9's in the rear of my car that are amplified though.
ron  Jun 28, 2016
A
Yes, these were an improvement over my factory speakers (2005 Jeep Wrangler). They are clearer at every volume and more so as you get louder. This is on an otherwise stock system.
david  Jun 28, 2016

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