T readily available does not mean you have to sacrifice the quality of the music in your car. You go out and get yourself an under seat subwoofer. An under seat sub is a small subwoofer that comes with an in-built amp, housed in one compact body. This clever design is perfect when it comes to installing a subwoofer for your vehicle, as it eliminates the need for you to get a woofer, pair it with a separate amp and then wire them up as best as you can. The best place to install a small powered subwoofer would be under the driver.
S seat, behind the back seat or in the back seat. This will depend on your type of car. Finding the perfect under seat subwoofer for your car can be an uphill task, what with the numerous models available in the market today.T fret though; I got you.