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Adaptability

The GX428 provides high-energy JBL pro sound for in-car applications and is made to fit into 4″ OEM positions without requiring vehicle modification. Using our newly developed unique tweeter deflector and our patented Plus OneTM woofer cone with a three Ohm voice coil and edge-driven soft-dome tweeter, each independently voiced to provide genuine JBL pro sound for your upcoming road trip. The three ohm voice coil draws more power from the amplifier, producing high output and deeper bass so that you can enjoy a fantastic performance even with the windows down.

PaperworkUser manual
WITB
2 x Speakers
1 x Gasket foam

Power Handling: 35W RMS, 105W Peak

We offer a 7-day return and exchange policy on selected products from the date of purchase. Additionally, we provide a 12-month after-sales warranty exclusively on Car Screens.

Please Note:
Not all products are eligible for return, refund, exchange, or warranty. Eligibility depends on the product type and condition. Terms and conditions apply.

Performance Details
Power Handling (RMS / Peak) 35 watts RMS per speaker / 105 watts Peak per speaker (70W RMS / 210W Peak per pair)
Nominal Impedance 2.3 ohm per voice coil
Sensitivity (@ 1W / 1m) 90 dB
Frequency Response 75 Hz – 21,000 Hz
Number of Speakers 2
Speaker Size 4″
Design 2-way Coaxial
Tweeter Design Soft Dome
Woofer Composition Polypropylene
Woofer Surround Rubber
Shallow Mount Installation No
Top-Mount Depth (Mounting Depth) 1-7/8″
Bottom-Mount Depth 2-19/32″
Cutout Dimensions 3-3/4″
CTA-2031 Compliant No
Marine Certified No
Hi-Res Certified No
Color Black
Illumination None
Speaker Grilles No
Includes Damping Kit Without Damping Kit
Compatible Vehicle Types Car / Truck / SUV / Van
Detail

Experience the Perfect Blend

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Complete Package

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Premium Sound

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