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Amplifier wiring diagrams How to add an amplifier to your car audio system. Meet Buck Pomerantz Close. More about Buck Started at Crutchfield in Completed our thorough in-house Advisor training, learning about the ins and outs of our various products Stays up-to-date by attending vendor training sessions for new products Earned MECP Mobile Electronics Certified Professional certification Designed and organized Crutchfield's subwoofer wiring diagrams Authored dozens of Crutchfield articles and hundreds of product presentations, primarily focused on car audio amplifiers and pro audio gear Answers the many customer questions posted in the comments on his articles Semi-retired soundman with decades of experience making other people sound good From to , also worked as a sidelines video camera grip for University of Virginia football and basketball games.
Comments Read comments. Christian, If you're referring to the "Add a sub to a factory stereo" diagram, you tap, connect to, the speaker wires without cutting them. Most amplifier speaker-level inputs need two channels of input to work properly.
RJ, Although rarely mentioned, most aftermarket car speakers have 4 ohms of impedance. There are some that are 3 or 2 ohms, but low speaker sensitivity makes them only a little more efficient than 4-ohm speakers.
Your question about wiring is irrelevant for single speakers - "series, series-parallel, and parallel" wiring refer to how two or more devices like speakers can get wired together. One speaker gets wired with its positive terminal connected to the amp's positive output terminal and its negative to the negative amp terminal.
Rodney Mullinax from Boron, Ca. Rodney, Sounds good to me. Bruce, Yes you can - the preamp outputs of an amp are there to be used to connect to the inputs of a second amp. Joe, You should be able to diagram your specific setup from this diagram by changing out the distribution blocks for 3-output versions, have the second sub amp share power and inputs with the first, and wire your tweeters in parallel with the front speakers. Jordan, Technically, when a capacitor discharges, the extra power gets added to the whole power supply system.
Seeing as most over-powering is done by a subwoofer amplifier, a cap is usually wired nearest to the sub amp. If your full-range amp is over-powering your electrical system, a capacitor probably won't help. A capacitor can solve short-lived bursts of power drain, but not constant over-driving. Cesar, When you install more than one amplifier, you should use distribution blocks for the power and ground cables, eliminating the need to wire each amp directly to the battery.
Robert, Without knowing precisely what amps, speakers, tweeters, and sub you're referring to, we can't help you with advice. If you want a question answered about a system, you must identify the gear by brand names and model numbers so we can get the right information to you.
John, Your vehicle's starter relay should not get connected to your amp's power cable. Looking for car amplifiers? Shop our selection. The easiest way to shop car audio online Find what Fits your vehicle Remove. Checking fit A great example is this AmazonBasics foot roll. I recommend a foot roll for many installations with a 4 channel amp see why below.
That means you need 2 ft rolls of wire. Or at the least, 1 ft roll and 1 50 ft roll. Just pick up some good quality, well-made cables. Even a pair like these value-priced ones will be fine in most cases. Crimp tools are great for installing your amp and speaker wiring with professional results. Crimp connectors are sold separately in many automotive parts stores or general stores and are very affordable.
I recommend a few tools. If you shop carefully, you can avoid getting ripped off on tool prices. Never simply twist the wire together and wrap it in electrical tape. Always use a reliable connection. During warm weather, electrical tape adhesive can fail and the tape can come off of the wire. This exposes it to possible short circuits and potential damage to your radio or amp. A test meter is often incredibly helpful when installing an amplifier.
A basic but good budget model like this one at Amazon will work great. I recommend 18 ft length or more. Image of an aftermarket non-factory stereo showing the RCA jacks and speaker output wiring. Either one can be used for getting a signal to an amp, but RCA jacks offer a better option. In order to install a 4 channel amp and drive all 4 speakers, in many cases, the biggest obstacle is getting a signal to the amp. One of the reasons why is that factory amplified systems often have non-standard wiring connections for the audio path and are prone to bad noise problems if you connect an amplifier without the proper adapter or wiring.
Using this, you can run RCA cables to your amplifier. Amplifiers with high-level speaker-level inputs like this one allow connecting to speaker wiring for a signal source. This avoids having to buy a separate adapter.
Speaker level inputs are common on many 4 channel amplifiers. This then plugs into the speaker level input connector. A typical speaker-level input harness for a 4 channel amp. The wires are color-coded to make installation easier. This allows an easier upgrade for your stereo later, which is very common for people to do. Using the line-level converter now will allow you to run RCA cables to your 4 channel amp to be used later if you buy a better stereo which will include RCA jacks, almost always.
RCA cables line-level connections are the preferred way to connect a signal to your amp if you have that option. RCA jacks on the rear of a Pioneer head unit. White represents the left channel white red represents the right.
These are standard colors for audio outputs for both car and home stereo. Image Search…. New posts. Search forums. Search images. Log in. Change style. I have always been confused about so much of this you covered.
I have a full understanding now! Much appreciated. Is there a possible way to connect front speakers to high level input and a sub woofer to a RCA input? Please help! You would be better off just using a line level converter if you really need RCA connections.
I have a 4 channel watt amp. That can be bridge and run any ohm. I have 2 component speakers 4 ohm with crossover and tweeters. And 2 subs 4 ohm dvc. Can I wire this to this amp.? In parallel? At any rate, you can either use one DVC sub wired for 2 ohms, one per channel, or bridge the rear channels and wire both subs in series.
Read on to find out how! There are plenty of detailed diagrams to guide you, too. Contents What you need to know first What does the minimum impedance Ohms rating mean for an amp? Why is this best for driving a subwoofer? Diagram — How to wire a 4 channel amp to 4 speakers and a sub Using power resistors for harder installations 4 ohm min.
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