Item# GTO429_
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General Specifications

Type Three-Way
Size 4

Audio Specifications

Power Handling (Peak) 105W
Power Handling (RMS) 5W-50W
Nominal Impedance 3 ohms
Frequency Response 75Hz-21kHz
Sensitivity (2.83V/1m) 92dB


Mounting Cutout Diameter (mm) 94
Mounting Depth (mm) 48
Mounting Cutout Diameter (in) 3-3/4
Mounting Depth (in) 1-15/16
External Diameter (mm) 100
External Diameter (in) 3-15/16
  • 1 pair of speakers
  • 1 pair of grilles
  • Owner’s Manual
JBL GTO 429 coaxial speakers handle a respectable 105 watts peak power (35 watts RMS). This much power makes for an ideal match to systems powered with head-unit or factory-amplifier power levels. Even better, the speaker matches many of the GTO Series’ amplifier combinations. As a result, it can keep up with systems that feature one or more subwoofers. And its great power-handling specifications also increase reliability over the lifetime of the speaker.

Manuals & Downloads

The latest owner's manuals, quick start guides, and documents.

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GTO429 is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from Vor einer Woche gekauft und keine Sekunde bereut! Habe diese Lautsprecher in einem Auto ohne Radio/Lautsprecher verbaut. Die Klangqualität ist super, klare Höhen und Tiefen, saubere Bässe. Nur zu empfehlen. Der Preis ist auch Super (Amazon 69,99€).
Date published: 2016-07-29
Rated 5 out of 5 by from klasse Lautsprecher original Frontlautsprecher im Porsche 996 durch GTO429 ersetzt. Mehr Klangverbesserung mit so wenig Aufwand geht nicht.
Date published: 2016-12-21
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Hi there, Can I use a Alpine KTP-445U Universal Power Pack Amplifier 180Wx4 with these speakers? Thank You!

Asked by: Honu
The Alpine KTP-445U actually provides 45W x 4 and the GTO 429 can handle up to 50W so the amp would work with these speakers.
Answered by: Mario at Customer service
Date published: 2019-01-04

Can I still use these if they bottom out "part of the magnet is hitting metal" against my metal frame. As the sit at a angle in my kubota svl-95-2.

Asked by: Axle
We would like to work with you directly to help you with your issue. Please submit a case request at https://www.jbl.com/support-contact.html and the Customer Service Team will be more than happy to assist you.
Answered by: Mario at Customer service
Date published: 2018-11-11

Do they come with wire?

Asked by: Coryk
The GTO 429 does not come with gauge wires since the length depends on what car you will use.We recommend using 12"- 18" wires.
Answered by: Mario at Customer service
Date published: 2018-10-17

Hello. I want to custom fit these on a bmw e91. I need to know the outer diameter of the grill. could you help me with this dimension?

Asked by: alexBLN91
The diameter of the GTO 429 would be 3-15/16"(100mm).
Answered by: Mario at Customer service
Date published: 2018-08-13

Will these fit my 2005 Subaru Impreza rs? Looking to fit front and rear

Asked by: Jake456727
Yes, it would as it shows on the "Does it fit my car" section with your 2005 Subaru Impreza
Answered by: Ren at Customer Service
Date published: 2018-06-09

Hello, it says these are 3way in the description but everywhere else implies they are 2way? Can you please confirm.

Asked by: Cornetto
Hello! Thank you for your message. The GTO 429 are two way.
Answered by: Marius S
Date published: 2017-12-02

Hi, please what is the total diameter of the grille? AppreciTe your reply, thank you.

Asked by: Eriken
Hi Thank you for your questions. The outer diameter of the grille of the GTO429 is 128 mm. Have a nice day.
Answered by: Mogens
Date published: 2018-09-14

the 1 15/16 depth , does that include the grill

Asked by: wwsp
No. The mounting depth is only measured from the bottom of the grille down to the magnet below.
Answered by: Miko at Customer Service
Date published: 2017-12-02
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