The Infiniti M35h rear deck lid accommodates a 3 inch speaker size across all listed model years. Full-range units represent the compatible audio type for the rear deck lid location. These specifications cover the 2012 to 2013 system 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 rear deck lid is the mounting location for both model years listed in the specifications.
A 3-inch speaker diameter is a compact size suited to shallow or space-constrained enclosures, consistent with the limited depth typically available within a rear deck lid cavity.
The rear deck lid position places speakers at the back of the cabin, behind rear passengers, which affects the directionality and staging of sound toward the front of the vehicle.
At 3 inches, the cone surface area is relatively small, which correlates with a reduced ability to move significant air volume and limits low-frequency output at the installation point.
Full-range drivers are designed to reproduce the entire audible frequency spectrum - typically 20 Hz to 20 kHz - within a single driver unit, without relying on a crossover network to divide frequencies.
In a rear deck lid location, a full-range driver handling high frequencies benefits from the relatively unobstructed upward and forward radiation path toward the rear cabin area.
The Infiniti M35h rear deck lid speaker size of 3 inches with full-range compatibility indicates a single-driver solution at a location where physical space constrains cone diameter.
Full-range drivers in a rear deck lid position reproduce midrange frequencies, which are directionally perceptible to rear-seat occupants at close proximity to the driver.
The 3-inch form factor in a deck lid installation typically requires a shallow mounting depth, as deck lid panels generally house mechanical and structural components that limit the available rear mounting clearance.