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JBL

JBL GX328 3-1/2" Coaxial Car Audio Loudspeakers

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Availability: In Stock.
Fulfilled by Amazon
Arrives Jun 20 – Jul 13
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Description

Stylish sound JBL makes speakers for trendsetters, those who want a car speaker that looks as good as it sounds. Their GX328 3-1/2" coaxial speakers flaunt a contemporary look that's backed by JBL's legendary commitment to excellent sound. The speaker's patented Plus One structure extends the surface area of the polypropylene woofer cone to give you a better midbass experience compared to other speakers this size. And an edge-driven balanced dome tweeter expands the high-frequency range, so you'll hear musical details that you never heard from your old speakers. The little things that count The GX302's low-impedance design safely draws more power from your car stereo or amp to give your music extra punch. JBL has also included a tweeter deflector to compensate for the diversity of car interiors. With high-frequency soundwaves guided more directly toward your ears, your music gains a truer, more dynamic sound. A match for any system These 3-ohm speakers are sensitive enough that you can power them with a factory or aftermarket radio, but you'll get even better results feeding them power from an outboard amp.

Brand: JBL


Speaker Maximum Output Power: 75 Watts


Frequency Response: 21000 Hz


Connectivity Technology: Coaxial


Audio Output Mode: Stereo


Audio Output Mode: Stereo


Mounting Type: Door Speakers


Enclosure Material: Polypropylene, Metal/Plastic (For Tweeter)


Speaker Type: Car


Additional Features: Built In Microphone


Antenna Location: For Vehicles


Subwoofer Diameter: 3.5 Inches


Color: Black


Is Waterproof: FALSE


Warranty Type: Limited


Maximum Range: 10 Meters


Control Method: Voice


Speaker Size: 3.5 Inches


Woofer Diameter: 3.5 Inches


Water Resistance Level: Not Water Resistant


Specific Uses For Product: Vehicular use


Processor Count: 2


Number of Microphones: 2


MP3 player: No


Controller Type: Voice control


Connectivity Technology: Coaxial


Wireless Technology: Coaxial


Subwoofer Connectivity Technology: Wired


Connectivity Protocol: Coaxial


Audio Driver Type: Dynamic Driver


Brand: JBL


Model Number: GX328


Model Name: JBL GX328


Built-In Media: 2 x Speakers, 1 x Gasket foam


Number of Items: 1


UPC: 050036351829


Manufacturer: JBL


Speaker Maximum Output Power: 75 Watts


Input Voltage: 2.83 Volts


Frequency Response: 21000 Hz


Number of Audio Channels: 2.3


Impedance: 2.3 Ohms


Unit Count: 1 Count


Item Dimensions D x W x H: 3"D x 5.4"W x 8.6"H


Compatible Devices: Laptop, Personal Computer, Smartphone


Compatible with Vehicle Type: Car


Power Source: Corded Electric


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jun 20 – Jul 13

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • They sound great with my factory amplified system They sound great with my factory amplified system
Review Image by Matt
I installed these in my '13 4Runner with the factory JBL system. I was a little worried about how they would sound with the factory amplifier, but they sound great. Their 2.3 ohm impedance is close enough to the impedance of the OEM speakers. They are pretty much the only ones you can find with an impedance that low, as most are 4 ohms. Definitely much better than the blown stock speakers! ... show more
Reviewed in the United States on April 25, 2026 Reviewed in the United States on April 25, 2026 by Matt
    • Replaced factory JBL dash speakers on a Tacoma
Install note: For the 2016-2023 Toyota Tacoma you need to trim the dash openings and use a self tapping screw for the forward most hole. I used a large, heavy duty utility knife and some end snippers, the plastic is relatively soft and easy to carve a little at a time. The factory grilles fit over perfectly once you get the speakers positioned. As far as an upgrade it’s worth every penny of 55 dollars. The factory JBL dash speakers had no clarity compared to these and they really livened up the theater of sound in the truck. They’re a tad louder than the others and they retain the 2 ohm impedance of stock JBL. I measured 2.3 ohms per speaker. Biggest change was better highs, some midrange and much better clarity. When listening to digital media, the sound is more theater like even with the remaining speakers still stock. I’m hearing the nice lows from the doors now too, this will keep me happy until I have the means to build something special. ... show more
Reviewed in the United States on May 20, 2024 by Pablo
    • 2019 Dodge Charger 2019 Dodge Charger
Review Image by Later2u
I replaced the dash speakers with these 3.5 GX328's. The sound is much improved. I must also add that I replaced all 4 6x9's with JBL GTO939 GTO Series 6x9" and added a JBL BassPro Nano 6" Powered Subwoofer using a AudioControl LC1i. Big improvement over the factory Infinity 276 watt system speakers. I would caution Charger owners to consider getting 6x9' that truly match the factory hole pattern. The JBL 6x9's ALMOST fit exactly, but I did have to adapt them to fit. I don't know if any do though. ... show more
Reviewed in the United States on January 30, 2026 Reviewed in the United States on January 30, 2026 by Later2u
    • Lexus RX 5th Gen compatible
Lexus RX350 2024 fits the front dash speakers. Just need the adapter cable. Took 15 mins to install. In and out. Does fit the second hole for screw, one is tight enough, but I used 3M automotive tape to keep it in place and prevent any vibrations noises from the plastic it’s hanging on. The sound is overall a big upgrade or the base version. The JBL vs stock is like double the size lol. I also tweaked the sound tuning. It sounds great for my current in music with K-pop. I was thinking about adding my sub back in but this kind of fill enough sound to satisfy me. ... show more
Reviewed in the United States on July 16, 2025 by Yimithy
    • 2008 Dodge Ram 2500
These speakers fit perfectly to replace the corner dash speakers on my truck. If you replace the center speaker as well, you'll have to cut just a little of the hole so the larger-than-factory speaker magnet can drop in. They work fantastically and completely changed the sound to the point where I had difficulty adjusting the equalizer to the new dynamic. My gas-guzzling truck has become my daily driver because of the speaker upgrade. I recommend purchasing connection cables for an easy and fast installation. You'll be able to replace your speakers in five minutes total ... show more
Reviewed in the United States on July 27, 2025 by Amazon Customer
    • Great sound and worth the $$$ Great sound and worth the $$$
Review Image by MA
I have to start by saying this is the best upgrade I did to my car. The OEM’s on my 2025 RAV4 looked -and sounded- sad compared to these!! Didn’t want to go over the top with a subwoofer but I’m in the process of upgrading the 4 door speakers to the GTO’s and maybe add an amp later. Make sure you don’t need an adapter cable for your vehicle, I did have to use one. ... show more
Reviewed in the United States on October 22, 2025 Reviewed in the United States on October 22, 2025 by MA
    • Nice speakers
These speakers are louder than my door speakers, best quality for dash speakers!
Reviewed in the United States on January 23, 2026 by J B
    • Clear highs, no clipping
Clear and can handle more volume than stock. The stock amp in my 2012 Toyota Tundra Platinum appears to handle them just fine.
Reviewed in the United States on November 26, 2025 by Fortner E.

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