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JBL GTO329 3-1/2" 2-way car speakers

Item # 109GTO329

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.

2 questions - 2 answers

Item # 109GTO329

Shop all JBL 3-1/2" Speakers

About the JBL GTO329

Alexander H.

Go for it

If you're in the market for new speakers, you've just found a serious contender. JBL created their GTO329 3-1/2" speakers as a hi-fi solution for those who want better sound in their vehicle.
JBL GTO329

Go for it

If you're in the market for new speakers, you've just found a serious contender. JBL created their GTO329 3-1/2" 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 25 watts RMS from an outboard amplifier.

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Product highlights:

  • 3-1/2" 2-way speakers (pair)
  • carbon-injected Plus One™ woofer cone with butyl rubber surround
  • edge-driven silk balanced dome tweeter
  • power range: 5-25 watts RMS (75 watts peak power)
  • impedance: 3 ohms
  • frequency response: 85-21,000 Hz
  • sensitivity: 91 dB
  • top-mount depth: 1-7/16"
  • grilles not included
  • warranty: 1 year
  • MFR # GTO329

What's in the box:

  • Two 2-way speakers
  • 2 JBL logo badges
  • 2 Adhesive backed foam gasket strips
  • Two 150 microfarad capacitors
  • Instruction manual

Customer reviews for JBL GTO329

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2.5 out of 5 stars
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More details on the JBL GTO329

Pat M.

Features & specs

General
Speaker Size 3 1/2
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 91
Frequency Response 85 - 21k Hz
Minimum RMS Wattage 5
Maximum RMS Wattage 25
Peak Power Handling (Watts) 75
Top-mount Depth (Inches) 1 7/16
Bottom-mount Depth (Inches) 2 1/8
Cutout Diameter or Length (inches) 3 1/8
Mounting Height (Inches) 0.71
Frame Width 3.54
Frame Length 3.54

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.

Crossover: The included capacitors are 1st order crossovers (6 dB/octave); the crossover point is approximately 350 Hz. One capacitor is wired in-line with the positive input of each speaker.

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.

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Customer Q&A

2 questions already asked

Q
What speakers will fit in the 2 console locations on a 2005 Lincoln LS?
ryan  Jan 27, 2017
1 answer
A
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on what fits and what you will need for an installation in your vehicle.
kenneth  Jan 27, 2017 (Staff)
Q
Amazon says the JBL GTO329 fits into my 2012 Nissan Altima dash slots, but Crutchfield says they don't. Crutchfield doesn't specify why they don't fit, but they supposedly are mountable given their specs. Do they work for my vehicle?
chris  Feb 16, 2016
1 answer
A
For additional details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
kenneth  Feb 16, 2016 (Staff)

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