JBL GX328 3” Speakers
R750.00

JBL GX328 | 3-1/2″ coaxial car audio loudspeaker
Technical specifications:
- Power Handling: 25Wrms, 75W Peak
- Frequency Response: 90Hz – 21kHz
- Impedance: 2.3 ohms
- Sensitivity (@ 2.83V/m): 89dB
Out of stock
JBL GX328 3” Speakers.

Product
Product Features
JBL GX328 3” Speakers
JBL GX328 | 3-1/2″ coaxial car audio loudspeaker
Plus One™ Woofer Cones
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 overall performance.
Edge-Driven Soft Dome Tweeter
Edge-driven dome tweeters provide better power handling than balanced-dome tweeters by providing more heat-dissipating surface area in the voice coil. We use larger tweeter diaphragms because we always know where the listeners will sit in a car.
Three-ohm DCR Voice Coils
Low-Impedance, three ohm voice coils compensate for the under gauged speaker wiring found in many of today’s cars, and make the most of every watt your amplifier or head unit can deliver.
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.
Affordable Pricing
The JBL GX Serie speakers 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.
Please note that Click and Collect is only applicable for items weighing a volumetric maximum of 7 kg; items that weigh more than the maximum will be received through standard My Audio shipping.
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Related
| Brand |
Blackspider |
|---|---|
| Color |
Black |
| GTIN |
6925281944550 |
| Speaker Size |
3-1/2" (inch) |
| Packaging Size |
22cm x 14cm x 7.5cm |
| Packaging Weight |
1.1kg |
| Volumetric Weight |
0.57 kg |
What's in the box:
2 x Speakers
1 x Gasket Foam

