![]() The maximum volume you’ll be able to get from your speakers will be pretty low, too. They can’t drive speakers with the same clarity and low distortion as a good amplifier can. In-dash stereos are very limited in how much power they can produce. Whether you have a factory stereo or a great aftermarket (non-factory) one, adding an amplifier is one of the best decisions you can make. The benefits of using an amp to drive speakers 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. That’s helpful if you’d like to hook up 4 speakers and a sub to one 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. ![]() What is “bridging” an amp?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). This drives speaker voice coils to move the speaker cone and produce sound.Ĥ channel amplifiers add more channels into a more compact and efficient design than separate amplifiers would have.Īdditionally, they offer more flexibility, as most can be configured for “bridged” operation which can give more power when you don’t need all 4 channels. Infographic – How to hook up a 4 channel amp (tips and general guide)Ī 4 channel amplifier is a stereo amplifier with 2 more channels built in to boost (amplify) weak input signals to a higher voltage signal. 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).These wires are usually short and won’t be reconnected until you are about to install the new stereo. The antenna wire is much thicker with a metal head and can be connected separately before you install the stereo. ![]() Use the diagrams to properly match each with its appropriate wire from the car.
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