The initial is in using a lower level of compression. Most people will settle for a high level of compression (lower bit rates) in order that they could fit as significantly music as possible on their mp3 players, which possess a finite level of storage space. This makes sense in the event you are only going to listen to the music by way of a set of headphones/earphones, since they are able to create a greater quality sound level even having a low amount of compression. When you attach your mp3 player to a vehicle stereo even though, you've got a larger quality of the speaker from which the music is coming from, and therefore, in case you use a larger bit rate, you may automatically gain an enhanced top sound quality.
The second way would be to not use the built-in digital to analog converter (DAC) of one's iPod. The DAC alterations are thedigital details (all those 1s and 0s that computers use) into an analog signal or sound). The DAC on the iPod, and most other mp3 players, is good sufficient to get a simple pair of ear buds, but the DAC in most modern day vehicle stereos is significantly much better, so by using the car stereo built-in DAC you are going to really get a far better sound good quality than from the mp3 player. You'll need to connect the auto dvd cable for your stereo system although, so be sure the stereo can do that ahead of buying.