Speakers Available here. Every vehicle comes with a factory set of speakers and while this get the job done, they do not have the power and clarity of a variety of aftermarket options. Those who want enhanced bass and sound should consider looking at the options available so that they can fully tailor the sound in their vehicle. Speakers are part of a complete sound system, making it easy for people to fully customize their listening experience. Add accessories like subwolfers to a system to further enhance the sound and to heighten features like loudness and bass. This makes it possible to tailor a vehicle sound system to the driver’s preferred musical tastes.