Acoustic shelf for NIVA 4x4 2121(with sides)

The acoustic shelf is designed to improve the overall sound quality of Your speaker system, as well as to eliminate unpleasant squeaks, rattles and overtones that occur when the vehicle is in motion.
The installation of hidden speakers , i.e. speakers are mounted from the bottom, which hides the application installed in Your car speaker system.
The main advantage of this design is that when removing the shelf for the transportation of dimensional things, the dynamics remain in the car.
Designed for 6x9 speakers.
Is made of plywood and is covered with carpet.