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
A mono car amplifier that will deliver the upwards of 1200 watts RMS to your subwoofer, read through this Kicker CXA1200.1 review and discover that this is an amp built for the big bass with huge amounts of clarity.
Trobla Wooden Smartphone Amplifier - Designed in Slovenia, The Trobla amplifier is an all-wood passive amp made for cranking up the audio on your smartphone without requiring another electronic device. The cone-shaped design & a special chamber at its core creates clean, full tones & different adapters are available to perfectly cradle your phone. | werd.com