JBL GX428 4" 105W 2-Way Car Speakers

JBL GX428 4" 105W 2-Way Car Speakers
(JBL GX428)

We Think You Should Know

• Australian JBL Warranty
• Purchase Guarantee (see T&C's)
• Restore clean instrument tones today
• Install JBL GX428 Speakers
• Expand acoustic surface areas effortlessly
• Fit standard vehicle doors easily
• Protect internal voice coils safely

Overview

The JBL GX428 4" 105W 2-Way Car Speakers deliver detailed high-frequency performance to standard passenger cabins. Drivers install this compact coaxial speaker kit to elevate vocal clarity above low road noise. The high-sensitivity motor assembly extracts impressive volume from modest factory head units to justify your audio upgrade investment.

Key Features:

• Patented Plus One Cone Architecture Expansion – The proprietary cone layout increases overall speaker surface area compared to generic aftermarket models. This extra diaphragm space moves more air to enrich middle and upper frequency transitions smoothly.
• Low Impedance Three Ohm DCR Voice Coils – Custom low-impedance electrical balancing compensates for under-gauged original factory vehicle wires. This engineering configuration extracts maximum potential output power from your dashboard radio deck safely.
• Rigid Automaker OEM Level Reliability Testing – Every speaker design undergoes intense environmental validation cycles mimicking automotive manufacturing baselines. The structures are frozen, baked, shaken, and exposed to ultraviolet radiation to secure years of playback durability.
• Smooth Edge Driven Soft Dome Tweeter Diaphragms – Specialized soft-dome tweeter arrays integrate larger voice coil surface areas to maximize heat dissipation. The design effectively protects against thermal compression errors to sustain smooth musical playback.
• HARMAN Proprietary Rotating Tweeter Deflector – An integrated mechanical waveguide supports smart acoustic angle customization to optimize off-axis projections. This functional flexibility overcomes low door positioning to guide crisp upper registers directly to your ears.
• Individually Voiced Premium Transducer Quality – Transducer engineers evaluate each production line variant strictly against sibling ranges to protect the signature corporate voicing. Enjoy consistent spatial imaging, pristine clarity, and balanced acoustic performance.

Ideal For

• Vehicle owners replacing dull, tiny factory dashboard or pillar speakers with crisp high-fidelity aftermarket audio components
• DIY car audio builders wanting an all-in-one coaxial setup for straightforward 4-inch replacement mounting slots
• Daily commuters seeking high-volume sound clarity with the windows down without installing expensive secondary power amplifiers
• Car buyers needing rugged speaker components that endure extreme cold, humidity, and intense summer cabin heat over time

JBL Car Audio

JBL Car Audio products are some of the finest and most innovative products available. With an undeniably rich heritage in audio, JBL have their products in major concert venues and stadiums around the globe and are a go-to choice for music professionals. JBL have perfected their car audio products, so you can enjoy the true clarity and energy of music in your vehicle.

• 2 x 4" 2-Way Coaxial Speakers
• 1 x Protective Gasket Foam Strip