Installing a subwoofer and amp in your car can be an intimidating task, but it doesn't have to be. With the right tools and knowledge, you can install a subwoofer and amp system in as little as two hours. The key is having all of the necessary components on hand before beginning the installation process. You will need a new subwoofer enclosure, wiring kit, amplifier mounting bracket or plates, power wire (or hot wire), signal wire (or remote), ground wire (for safety purposes) and any additional hardware required for mounting your equipment. Once you have gathered all of the components needed for installation you are ready to begin! First start by connecting the power wires from your battery directly to your amplifier using either ring terminals or spade connectors depending on what type of connection your amp requires. Securely fasten these connections with cable ties if applicable then move onto running the RCA cables from head unit to amplifier followed by routing/installing speaker wires from amps to speakers after that secure those connections with zip ties and test out everything making sure each component is working properly so far before moving forward into finalizing sound adjustments within amplifiers menu settings which should only take about 10-15 minutes max once done reinstall any interior trim pieces that were taken apart during installation process and enjoy listening music now with added bass boost!