Installation of radios, speakers,amplifiers,subwoofers in the car. Manufacturer of podiums,enclosures for the subwoofer and stealth (Stealth)-for acoustics, the music on motorcycle, ATV,scooter. The position of the front monitor, rear view cameras, TV tuners, ceiling monitors,CPUs,multimedia, on a regular monitor.Noise isolation of the car. Car wrapping auto. Insulation full, insulation of the individual elements.