Item# GX402_
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Additional Information
Trend-setting speakers that deliver high-fidelity sound you’d expect from JBL — great for those who want a superior audio experience while upgrading the style throughout their car’s interior.
At a Glance:
  • Individually Voiced
  • OEM-level reliability testing
  • Plus One™ Woofer Cones
  • Affordable pricing
  • Three-ohm DCR Voice Coils
  • Frequency Response Up to 21kHz
  • HARMAN-Proprietary Tweeter Deflector
  • Edge-Driven Soft Dome Tweeter
  • External crossover housing
What's in the Box:
  • Owner’s Manual
  • 1 pair of speakers
Head’s are going to turn when they hear the sound that pumps through the JBL GX Series speakers. But get in and “whoa!” they look incredible. Designed to fit most factory specs, the GX series flaunt a new HARMAN-proprietary tweeter deflector, they’re individually voiced, and have three-ohm voice coils for optimal power distribution. Add Plus One™ woofer cones, edge-driven soft dome tweeters and an ogle-worthy design, and you’ve got a speaker that does much more than deliver killer sound.
Product Features:
  • Plus One™ Woofer Cones
    Harman’s patented (US patent #7,548,631) Plus One™ polypropylene cones provide more overall speaker-cone area than other cones in its class — the result is higher sensitivity, increased low-frequency output and greater musical character.
  • Edge-Driven Soft Dome Tweeter
    Soft dome tweeters deliver a smooth high-frequency response and an increased power handling for highs and mids, which equates to more lifelike sound from vocals, cymbals, brass instruments and pianos.
  • Three-ohm DCR Voice Coils
    The majority of factory-speaker wiring is so thin that it can’t draw the necessary power for great sound. With low-impedance, three-ohm voice coils, the GX Series speakers can pull more power from the amplifier, which means a clearer, richer sound for the listener.
  • Frequency Response Up to 21kHz
    Hear what you’ve been missing — the JBL GX Series offers a frequency response that delivers the full-range response associated with exceptional sound.
  • Individually Voiced
    For most brands, off-the-shelf speakers and a cursory approval of frequency response curves are good enough. That’s not the case with JBL. We don’t only listen to our speakers against the competition — we voice them against each other to ensure each line has the consistent JBL sound signature that’s known and sought out by those who care about their audio. This is just part of an extensive development process undertaken by some of the best transducer engineers in the world to provide the finest listening experience at any price point.
  • HARMAN-Proprietary Tweeter Deflector
    Acting as a waveguide, the tweeter deflector allows for an angled, rotating speaker, which optimizes the off-axis sound performance. Because all cars are designed differently, this allows impeccable sound to travel throughout all locations in the cabin.
  • External Crossover Housing
    The GX component systems feature external crossover housings, which provide space for sophisticated circuits including an adjustable tweeter level control and advanced tweeter protection.
  • Affordable Pricing
    The JBL GX Series are all designed to give audio enthusiasts more boom for the buck — while they maintain a conservative price point, there is never a compromise in sound.
  • OEM-Level Reliability Testing
    JBL tests every speaker design to the same rigid specifications as the automakers, subjecting them to extreme conditions that would break lesser speakers. We freeze them, bake them, shake them, blast them with ultraviolet light and drive them at full power for days to make sure your audio investment lasts for years.
Plus One® Technology

Plus One carbon-injected cones provide more overall speaker-cone area than other cones in its class.

Manuals & Downloads:
General Specifications:
4” coaxial car audio loudspeaker
Audio Specifications:
Frequency Response
75Hz – 21kHz
Power Handling (Peak)
Nominal Impedance
2.3 ohms
GX402 is rated 4.5 out of 5 by 4.
Rated 5 out of 5 by from Good little speakers. A lot better quality sound. Bought to replace factory fitted Landrover Defender speakers. These offer much better quality of sound.
Date published: 2017-08-25
Rated 4 out of 5 by from Nice sounf Must buy, has quality sound for the cost. I like mine! [This review was collected as part of a promotion.]
Date published: 2017-05-05
Rated 5 out of 5 by from Qualité sonore et rapport qualité prix au top Les GX402 sont très très appréciable. Le son est propre. Les aigus et les basses ton très agréable. De plus un très bon rapport qualité prix sur ces enceintes la !
Date published: 2017-05-10
Rated 4 out of 5 by from Pienikokoinen Kokoonsa nähden erittäin hyväsointinen kaiutin. Suosittelen.
Date published: 2018-07-18
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does this come with everything needed for instillation

Asked by: George1234
Hi, Thank you for your question. You will only receive the speakers all the cables needed is not included.
Answered by: Danny HARMAN
Date published: 2018-07-20

What is the mounting depth on these speakers. Will they work with a 4 ohm class d, 4 channel Alpine amplifier? Will they fit a Mercedes c-class 2015?

Asked by: Roprat
We would like to work with you directly to help with your inquiry. 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: Gian at Customer Service
Date published: 2018-06-21

My Kia Optima has front speakers and dash speakers  wired in parallel as well as rear door speakers .  I replaced the 6.5 in the doors and 3.5 in the dash with you GX series speakers.  I plan on using your jbl A504 amp for each channel will it work?

Asked by: N_Colon
Yes it will work. The car speaker will be the one to dictate the impedance and the amp will just adjust to it.
Answered by: V Jay
Date published: 2018-03-17

Would these speakers fit in the back of a 5 door 2011 Vauxhall Corsa?

Asked by: elliot1
Hi. We have no lists of cars and which speakers fit into which models, unfortunately. But since car speakers are in standardized dimensions, you can be fairly certain that if you have a hole in the door that corresponds to the size of a 4" speaker, this model will fit. If you buy from the JBL web shop, you have 30 days right of return, so if the fit is not acceptable, you can get your money back. I hope this helps.
Answered by: Bo Harman
Date published: 2018-03-14

quelle est la puissance RMS merci

Asked by: jerome gallo
Merci de nous avoir contacté, tel que mentionné sur la fiche technique du produit, disponible sur notre site web. Puissance de pointe: 105W Puissance, moyenne en continu: 35W La puissance RMS est proche de 35W
Answered by: Zico
Date published: 2017-12-02

Hallo, passen die LS für BMW 1er (F20 - Baujahr 2013)? MfG, Marius

Asked by: Marius2017
Hallo, vielen Dank für die Frage. Um zu bestätigen, ob die GX 402 passend zu Ihren BMW 1er F20 Generation passend sind oder Ihnen passende Lautsprechern für Ihre Auto zu empfehlen, bräuchten wir die Lautsprecher Ausschnittmasse Ihres Autos wissen. Wir werden Ihnen direkt per Email kontaktieren, um mehrere Informationen darüber zu erhalten.
Answered by: Alexandru
Date published: 2017-12-02

Ik ben op zoek naar speakers voor in de dashboard van een Suzuki Alto 2012 , volgen mij moeten er speakers in van 10cm maar dat weet ik niet zeker . Weet u misschien wat voor speakers er in moeten of kunnen . Bij voorbaat dank Arie Pronk .

Asked by: Arie
Helaas houden we niet bij welke speakers bij welke automerk uit welk jaar passen maar de autofabrikanten zouden je de nodige details moeten kunnen geven. Wij raden je daarom aan contact op te nemen met de autofabrikant om na te gaan wat het diameter van de speaker gaten is en ook wat de diepte daarvan is.
Answered by: Andrei
Date published: 2017-12-02

Welches genaues einbaumaß vom Durchmesser ist notwendig ?

Asked by: Hias
Wir bedanken uns für Ihr Interesse in unsere Produkte. Die Einbaumass Durchmesser beträgt : External : 4-1/8" (104mm) Montageausschnitt 3-3/4" (95mm) Gesamttiefe 2-19 / 32 "(66mm) Einbautiefe 1-7 / 8 "(47mm). Wenn weitere Fragen oder Anliegen auftauchen bitte geben Sie uns Auskunft an customer.support@harman.com
Answered by: Mircea
Date published: 2017-12-02
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