Additionally, most can be bridged to use 2 channels (or 3, depending on your needs) so you’re not restricted to using them with only 4 speakers. This saves installation space and makes it easier too. However, because they’re built together and not 2 separate 2-channel amps, they’re more compact. 2 channel vs 4 channel amp diagramĪ 4 channel car amp is basically an expanded version of a 2-channel amp. It means 2 channels are sharing the workload of one speaker between them and therefore and drive it with more power. This causes the speaker to receive a voltage audio waveform that is the difference between the two channels – resulting in more available power to speakers.Įssentially, bridged mode is a flexible way to get more power if you’re not driving 4 speakers. Infographic – How to hook up a 4 channel amp (tips and general guide)īridged mode capability is a special design feature in which a “push-pull” set up is created: one channel (normally used for the left speaker) produces a signal that’s the opposite of the second channel (normally used for the right speaker). 4 channel amp signal connection diagram.Installation types 1 or 2: Factory radio or no RCA connections.Get your installation shopping list together.Notes about wire, tools, and a few other things.The benefits of using an amp to drive speakers.Infographic – How to hook up a 4 channel amp (tips and general guide).
