Speaker Upgrade for Ford F-250/350/450/550/650/750 99-04 — Harmony C68 & CXA3604

Designed to fit Ford F-250/350/450/550/650/750 99-04, this speaker upgrade uses Harmony C68 & CXA3604 components. It replaces the factory speakers in the listed models and years, offering a direct compatibility solution with the Harmony C68 & CXA3604 units.