JBL GX328 Car Speaker

JBL GX328 3.5" (2-way) coaxial GX series speakers feature Plus One® cone technology and a rim-driven silk dome tweeter for enhanced midrange/highs clarity. A direct upgrade option for popular 3.5" dash positions, they work efficiently on the head unit with the option to add an amplifier later if desired.

Features

• Plus One® Cone: Larger vibration area for cleaner bass and better response.
• Edge-Driven Dome: Crisp, smooth details without annoying sharpness.
• High sensitivity (~89 dB @2.83V/1m): Good performance even with average head unit power.
• Low impedance (≈2.3Ω): To make the most of the available power from the original systems.
• EASY INSTALLATION FIT: 3.5" size is common for dashboard locations with basic mounting accessories.

Technical specifications

• Size: 3.5 inches
• Type: Bidirectional Coaxial
• Nominal Power (RMS): 25W
• Peak Power: 75W
• Sensitivity (2.83V/1m): ≈ 89 dB
• Nominal impedance: ≈ 2.3 ohms
• Frequency response: ≈ 90Hz – 21kHz
• Approximate mounting depth (Top-mount): ≈ 1-7/16"

Product Contents

• GX328 (3.5") Headphones Pair
• Foam strips/adhesive gaskets for installation (may vary by batch)
• User Manual and Installation Instructions

Common installation locations

• Center Dash: Acts as a center channel to improve sound positioning in front of the driver and passenger.
• Front Dashboard Corners: In 3.5" Right/Left ports available on some models.

Tech Complex Technical Team Opinion

Conclusion: The JBL GX328 is suitable for enhancing the clarity and focus of sounds in cars that have a 3.5" jack on the dashboard. It works efficiently on the head unit and does not require an amplifier .

• Best Use: As a center channel or a light front-end supplement that emphasizes the mid/high range.
• Best paired with 6.5" door speakers (front/rear) and an optional subwoofer to fill the low range.

Official documents from JBL/Harman

• Official Specifications (GX Series Spec Sheet)
• GX Series Owner's / Installation Manual

Support and assistance

For technical inquiries, please contact technical support.

Contact us via WhatsApp

Information that interests you and preserves your rights

• View shipping and delivery information
• View information Return and exchange
• View terms and conditions