A car amplifier 4 channel is the workhorse of a full-range system. It powers your front and rear door speakers with clean, dedicated wattage, and it can even run a subwoofer when you bridge the rear channels. If you want your mids and highs to keep up with your bass,...
A 2 channel amplifier is the simplest full-range amp in car audio: two channels, one for the left speaker and one for the right. It powers a pair of door speakers, a set of components, or a single subwoofer when bridged. If your system is a pair of speakers and...