The Nissan Kicks headrest accommodates a 2.5 inch speaker size across all listed model years. Full-range units are the compatible speaker types for the headrest location. These specifications cover the 2018 to 2025 model range.
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 headrest location places speakers directly behind the occupant's head, resulting in an extremely short listening distance compared to door or dash-mounted positions.
Mounting within a headrest constrains the available cavity depth and baffle area, which limits the physical diameter of any compatible driver to small sizes.
A 2.5-inch driver fits within the tight spatial envelope of a headrest enclosure, where larger diameters would conflict with structural foam, fabric, and the headrest frame.
At 2.5 inches, the cone surface area is small, which concentrates the speaker's output in the upper-midrange and high-frequency bands rather than low-frequency reproduction.
The proximity of a headrest speaker to the ear means even low-power output at 2.5 inches can produce adequate perceived volume without requiring high excursion or large cone displacement.
Full-range drivers are designed to reproduce the audible frequency spectrum from a single driver unit, covering lows, mids, and highs without a crossover network.
In a headrest application, a full-range driver handles the entire signal passed to the position without requiring supplemental tweeters or woofers at the same location.
The Nissan Kicks headrest accepts only full-range types across all listed model years, meaning the mounting cavity is not configured for component or coaxial multi-driver arrangements.
A 2.5-inch full-range driver in a headrest position reproduces dialog, vocal, and upper-midrange content with high clarity due to near-field placement relative to the listener's ears.
Because low-frequency wavelengths are long relative to a 2.5-inch cone, bass extension from a driver of this size at the headrest position is physically limited.