People who like to listen to loud music are the ones who are likely to bridge car amplifiers. By doing this the volume of the audio is increased to a great extent and also improves the clarity of the sound. More power is also provided to the speakers. Its function is similar to that of the subwoofer. The very important fact is that the connection should be done properly the first time before testing it. It is very important to know how to bridge two car audio amps since if the connection is done in the wrong way damages can be made to speakers and also the amps itself. Due to the high power the circuits can get burnt and damage it.