Follow these instructions for proper installation methods: In order to install a car amplifier, the required materials are a power wire, a ground wire, a remote wire and an RCA signal. Description from ewajymilet.xlx.pl. I searched for this on bing.com/images
This installation guide offers examples of amplifier installation types and suggested system layouts. The installation of your amplifier will depend on the make and body style of your vehicle, as well as the equipment you purchased.