JBL GX428 4" 105W 2-Way Car Speakers
(JBL GX428)
We Think You Should Know
35W RMS / 105W peak power
90dB sensitivity for clear output
75Hz - 21kHz frequency response
Patented Plus One cone
HARMAN proprietary tweeter deflector
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.