Subwoofers require a lot of power, so they have to be wired to both a power source, like a cars battery, and an amplifier. After connecting them to the stereo speakers, run a separate wire to a ground source, such as an exposed metal bolt, for safety.

How long does subwoofer installation take?

With all of the above caveats in mind, installation of a car stereo should take anywhere from one to four hours. However, times may vary and the only way to get an accurate quote on car stereo installation is to take it into a car audio shop.

Is a underseat subwoofer worth it?

Most subwoofers are quite large, but underseat subwoofers are designed to reproduce low-frequency bass signals so they generally tend to be smaller and slimmer. The advantage of having these small sized woofers is that you wont be losing out on boot space.