Lewiston has car stereos and radios available for retail sale. A car audio system, whether solely for radio or including options such as CD and MP3 players, adds to entertainment of the car passengers. Car stereos and radios have a number of different components, such as head unit, speakers, amplifiers, subwoofers, capacitors, damping, audio processores, equalizers, and so on. Audio options include a standard AM/FM tuner, CD player, MP3/WMA/AAC decoding, satellite radio, iPod® connections, USB inputs, DVD player, etc. Upgrading to a new sound system in Lewiston can give better audio quality, a wider variety of sources, better features and more expanadability. Car audio systems can be of various brands, from all price brackets. One can buy them in stores in Lewiston.