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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.

PerformanceDetails
Power Handling (RMS / Peak)35 watts RMS per speaker / 105 watts Peak per speaker (70W RMS / 210W Peak per pair)
Nominal Impedance2.3 ohm per voice coil
Sensitivity (@ 1W / 1m)90 dB
Frequency Response75 Hz – 21,000 Hz
Number of Speakers2
Speaker Size4″
Design2-way Coaxial
Tweeter DesignSoft Dome
Woofer CompositionPolypropylene
Woofer SurroundRubber
Shallow Mount InstallationNo
Top-Mount Depth (Mounting Depth)1-7/8″
Bottom-Mount Depth2-19/32″
Cutout Dimensions3-3/4″
CTA-2031 CompliantNo
Marine CertifiedNo
Hi-Res CertifiedNo
ColorBlack
IlluminationNone
Speaker GrillesNo
Includes Damping KitWithout Damping Kit
Compatible Vehicle TypesCar / Truck / SUV / Van
Detail

Experience the Perfect Blend

Wholesale Car Accessories & Interior Factory

Complete Package

Wholesale Car Accessories & Interior Factory

Premium Sound

Wholesale Car Accessories & Interior Factory

Ready to Install

Adaptability

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.

Detail

Experience the Perfect Blend

Complete Package

Premium Sound

Ready to Install