If you cannot test the equipment, you might not want to purchase it. Even though someone might tell you it works fine, they may not be as honest as you would like to think. Most sellers are honest, but there are a few who will try to trick you and you don’t want to be their next victim. So, be sure that you know what you need for your current automobile and be sure the car audio system you are looking at is still usable. If you do these two things, you will be able to save yourself a lot of money by purchasing used quality equipment. It is always great to save money, but you only want to purchase used equipment that will work for you. If you don’t, then you really haven’t saved anything at all.

http://car-audio-hq.com Everything you need to know about car audio, from purchasing the best value to choosing the right speakers.