The Ram 3500 dashboard accommodates a 3.5 inch speaker size across all listed model years. Full-range units are the compatible types supported in the audio system. These specifications cover the years 2011 to 2018.
A single driver that reproduces bass through treble without a separate crossover network. It is the simplest replacement option and is common in factory audio systems.
Additional Notes
The dashboard speaker location in the Ram 3500 sits at the front of the cabin, typically mounted into the instrument panel surface, positioning the drivers at ear level and near the windshield.
Dashboard enclosures are shallow by design, with limited depth behind the mounting surface, which constrains the physical size of any compatible driver.
The 3.5 inch diameter specified across all listed model years reflects a driver small enough to fit within the shallow cavity and tight baffle geometry typical of instrument panel installations.
A 3.5 inch driver operates most effectively in the upper midrange and high-frequency portions of the audio spectrum, roughly from around 100 Hz upward, with reduced low-frequency output compared to larger drivers.
In a dashboard position, a 3.5 inch driver is closer to the listener's ears than rear or door-mounted speakers, which influences perceived imaging and directional clarity at higher frequencies.
Full-range is the only compatible speaker type listed for the Ram 3500 dashboard location across all specified model years.
A full-range driver is a single-cone unit engineered to reproduce as wide a portion of the audible frequency spectrum as possible without requiring a crossover network or additional driver types.
In a dashboard location, a full-range driver handles both midrange vocal frequencies and upper harmonics without relying on an external crossover, which is consistent with the limited wiring infrastructure typical of factory instrument panel installations.
The combination of a 3.5 inch cone and full-range design in the dashboard position means the driver is responsible for treble and midrange content originating from the front soundstage.
Because dashboard mounting places the speaker firing upward or at an angle toward the windshield, some high-frequency energy is reflected before reaching the listener, which affects the perceived tonal character of a full-range driver in the Ram 3500 dashboard position.