There's likewise the interior dimension of your vehicle to think about. You might intend to consider a 5-channel amplifier that can power your whole system from one portable as well as hassle-free bundle. It's 4 channels for your audio speakers, plus a 5th, higher-powered network for your subwoofer. 6- and 8-channel amps take that all-in-one layout as well as add a lot more system-building adaptability.