You could consider amplifiers with one, two, or four channels, but you'll need a carrier for each speaker; this anon increases the complexity and price of the system. Also, if you'll be adding a subwoofer for killer low-ends sound, you'll as usual requisite a independent amplifier. Remember, every speaker will use one channel of amplification. Four-channel amps are, by far, the most popular.

Amplifiers don't really come with a blimp array of features, but there are a few to consider. Soft-start circuitry eliminates the thumps and thuds that can be annoying and potentially disadvantageous to car speakers. Make sure you have enough for the setup you are currently installing, Car Amplifiers while leaving room for at least peculiar approaching upgrade.