In most cases, you’ll want one amp for all the speakers in the car, which means you’ll need multiple channels on the amp — each channel drives one speaker. Since most cars have four speakers, four-channel amps are the most popular. Five- or six-channel amps will give you even more options.

How many amps do I need for my car audio system?

In most cases, you’ll want one amp for all the speakers in the car, which means you’ll need multiple channels on the amp — each channel drives one speaker. Since most cars have four speakers, four-channel amps are the most popular. Five- or six-channel amps will give you even more options.

How do I know what amp to get for my speakers?

A general rule for choosing an amplifier is to select an amp that provides 1.5-2 times the continuous power rating of your speaker. This will ensure the speaker has enough power while leaving yourself 3 dB of headroom.