Upgrade your factory speakers with the JBL GTO8628 6×8″ two‑way speakers and enjoy crisp highs and full, punchy bass. These coaxials are built with a carbon‑injected Plus One™ woofer cone that provides more cone surface area than competing models, delivering deeper low‑frequency response and greater efficiency. A soft‑dome tweeter with a built‑in crossover ensures smooth, accurate high‑frequency reproduction, so vocals and instruments sound lifelike even at high volumes.

Key features

• 60 W RMS / 180 W peak power handling for a robust sound upgrade

• Carbon‑injected Plus One™ woofer cone for tight, extended bass response

• Edge‑driven soft‑dome tweeter delivers clean, detailed highs

• Wide frequency response (≈50 Hz – 20 kHz) and high sensitivity for use with factory or aftermarket head units

• 4‑ohm impedance and low mounting depth make them compatible with many Ford, Mazda, and other vehicles with 6×8″ speaker openings

• Includes grilles and mounting hardware

These GTO‑series speakers are a great way to breathe new life into your sound system. Whether you’re keeping your factory radio or adding an aftermarket amp, the GTO8628s provide balanced, high‑fidelity sound that makes every drive more enjoyable.