JBL GX328 3.5" Coaxial Car Speaker

The JBL GX328 is a 3.5-inch 2-way coaxial car speaker delivering 75W peak and 25W RMS, designed for tight factory locations and the signature clarity of JBL sound. Its Plus One™ woofer cone increases surface area for stronger bass, while the edge-driven soft dome tweeter provides smooth high-frequency response and broad dispersion.

Featuring a low-impedance design to pull more power from your head unit, the GX328 offers improved imaging and sound staging without bulky modifications. Its compact flush-mount form factor fits snugly into OEM spaces and preserves factory aesthetics. Ideal for upgrading factory speakers or aftermarket installs where space is limited, the GX328 delivers dynamic range, clear mids, and balanced vocals.

• Plus One™ woofer cone for bigger bass
• Edge-driven soft dome tweeter for detailed highs
• Low-impedance design for greater efficiency
• Compact, flush-mount installation
• Wide frequency response and clear vocals

Technical highlights: 3.5" size, 90 Hz–21 kHz, 89 dB sensitivity, 2.3 Ω nominal impedance, 25W RMS / 75W peak.

Elevate your car audio—explore the JBL GX328 today.