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How to hook up 4 channel amp to door speakers

Using an amplifier with new speakers is an absolute must if you want to get the most out of your sound system. Thankfully, upgrading your speakers and amplifier is a pretty straightforward process and you can save a lot of money installing the parts yourself. The basic stereo system your car comes with is not that great when it comes to delivering quality, power, and volume. The difference between the more common 2 channel amp and a 4 channel amp is, as you might have guessed, the number of channels. A channel is just an external connection at the back of the amp. Each channel usually has one speaker connected.


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WATCH RELATED VIDEO: 4 Channel Amp Install and Speaker Swap - Amplified #144

How to Bridge a 4 Channel Amp


In an earlier article we looked at the issues involved in connecting multiple speakers to one amplifier. In this article we look at some of the practical ways of wiring four speakers to each amplifier left and right.

For example, it is normal to have your main HiFi amplifier in the lounge room. It is also common to want to have some speakers in the family room, outside patio or pool area and in the workshop or garage. If you need to connect just 2 pair of speakers to a HiFi stereo amplifier that is, 2 speakers to 1 amp , see my article on How to connect 2 speakers to 1 amplifier.

I have had many people over the years tell me it is easy to connect multiple speakers — all you have to do is wire the speakers in series. In reality this wiring needs to be duplicated for the right side speakers too. It is the same as wiring each speaker directly from the amplifier, like this:. Wiring speakers in parallel is not a good way of connecting three, four or more HiFi speakers as it puts too much load on the amplifier as explained in earlier article.

Again this is not a recommended way of wiring four speakers although it will work , nor is it very practical. Apart from the hassle of having to wire from one speaker to the next, if one wire is disconnected, then all speakers will stop working.

Also each speaker affects the total load seen by the amplifier which will only allow it to work up to one eighth of its potential. This is closer to a daisy chain as each speaker and corresponding single wire forms part of a daisy chain loop.

This is a safe way of wiring four speakers without a switch box or separate volume controls. It is a combination of series and parallel. Providing all the speakers are 8 ohms, this will work as the total impedance is also 8 ohms,. While this will technically work, it is often not practical as you need lots of wires interconnecting all the speakers and there is no control over any one speaker — they all are controlled by the amplifier volume control at the same time.

The easiest and a safe way to connect 4 pairs of HiFi speakers is to use a 4 zone speaker selector switch. This is relatively simple to wire, just run a wire from the central location lounge room to each speaker. The box should also look after any impedance matching to prevent amplifier overload.

It is normal to locate the selector switch adjacent to the amplifier. Remember to connect the lounge room speakers to one switch so they can be turned off when you only want music outside.

Please note, speaker selector switches are designed for multi-room installs in a home. They are generally suited for low power under watts amplifiers. They should be not be considered in a commercial install or for use with high output power amplifiers.

Speaker selector switches can use various techniques to allow multiple speakers to be connected to the one amplifier, namely:. All these methods allow multiple speakers, but at a lower volume than using just one speaker. This is logical as the signal is being shared by more than just the one speaker. To see how the power is distributed by the different types of speaker selector switches, see my Speaker Selector Switch Simulator.

If you are interested in using a speaker selector switch, check out my summary article on speaker selector switches — it discusses the features and uses in more detail, and summarises all the units bought from Amazon through this web site. Disclosure: If you buy through these Amazon links Geoff receives a small commission from each sale. There are also available speaker selector switches which can be controlled through your smartphone or Alexa.

Geoff has written a review of the Audioflow series of switches which you can read here. A more practical and a little bit more expensive way it to substitute the selector switch with a unit that also has volume controls. This allows the volume in each zone area with a pair of speakers to be controlled at the central location. Some volume control units also have impedance matching. This means they have a switch normally on the back panel — but sometimes inside which allows you to tell it you are connecting 2, 4 or 8 pairs of speakers to the one amplifier.

These units rely on you probably not needing to run all four sets of speakers flat out at the same time. While this is not as safety assured as using impedance matching, it may suit some installations.

If you only want low level music in the workshop and family room, then this will be fine. If you are having a party and want loud music outside, just make sure the workshop and lounge room are turned down — this reduces the total load and this effectively means only one or two pairs of speakers are connected to the amplifier.

Sometimes it is not convenient to have to go to the lounge room to control the volume of the speakers — especially if you are some distance away and the phone starts to ring. Therefore it can be useful to have a volume control in each zone area where there are speakers. This way, the volume for the speakers for the workshop is controlled in the workshop. The disadvantage of this is if you leave the volume control up say for the outside speakers and the next morning you play music without going outside — you will be entertaining the neighbours with your music in the morning as well as the night before.

In-wall volume controls are similar to the volume controls mentioned above — they come with impedance matching or without impedance matching. For more than one pair of speakers you would normally want impedance matching. If you are having two zones two pairs of speakers or four speakers then you will select the x2 on the back of the impedance matching volume control.

Similarly, if you are using 3 or 4 pairs of speakers, you will select x4. If you need to mount them on a solid brick or concrete wall, you will need a big mounting block, or a deep recess in the wall. The transformers on these volume controls are normally deeper than a standard mounting block for solid walls.

The greater the power handling ability of the volume controls, the larger the recess required and the more expensive the control.

Wiring these volume controls is fairly simple. Run a speaker cable probably two, one for left side and one right side from the amplifier to the volume control. Then run a speaker cable from the volume control to each speaker. The above installations will work, but they have some limitations. The biggest limitation is the volume control on the amplifier. This controls the maximum volume to all four speakers. This means the amplifier volume control needs to be set at the level of maximum volume you want for any given speaker.

However it is not wise to set it at full volume. The above method will work fine until someone uses the remote control and changes the volume. There is a better solution, but you may not need it. The installations above with the speaker selector switch, or with the volume controls suit a number of situations.

I have installed many of these systems in houses where the amplifier is only turned on in the morning and turned off at night. Sometimes the amplifier is installed in a ventilated cupboard so it is never seen nor touched. This allows the household to move around the house listening the same music in every room. However if your amplifier is used while watching TV or movies and the volume is constantly being adjusted with the remote control, then the other speakers in house will also be adjusted accordingly.

The easiest way to solve this problem is with a second amplifier. This is my preferred method. This way, the program is the same in every room, but the HiFi amplifier volume can be changed as much as you like, without affecting the other speakers. The volume on the slave amplifier can be set as outlined above and then never touched.

Some HiFi main amplifiers have a power socket at the back to allow other equipment to be connected. If this is the case, then plug the slave amplifier in to this power socket and it will be turned on and off with the main amplifier.

I hope this has helped you understand how-to, and how-not-to, wire four or more pairs of HiFi speakers around your house. The video in the article Understanding Speaker Impedance explains how each of the different types of Speaker Selector Switches provides impedance protection or impedance matching. Also my Speaker Selector Switch Simulator provides an interactive way to see how they treat impedance and power sharing.

For a practical discussion on how to wire just 2 speakers to an amplifier 4 speakers to a stereo amp , see my article on How to connect 2 speakers to 1 amplifier. If you need to wire more than four speakers, particularly in a commercial installation, see the article on Distributed Speaker Systems. Keep in mind that changing the total load impedance of an amplifier will increase or decrease the power output of the amplifier. Also different speakers may sound louder or softer than others due to there sensitivity — see Understanding Speaker Sensitivity for a better understanding.

Also if the speakers each have a different impedance, then there will be different power levels available to each speaker. Many practical examples of the methods outlined above have been explored in the comments below.

If you have a different situation you would like advice on, please read the FAQs before submitting your question. Contact Geoff: geoffs geoffthegreygeek. Sign in. Log into your account. Forgot your password? Privacy Policy. Password recovery. Recover your password. Understanding Audio Understanding Amplifier Power. Amplifier power is probably the most misunderstood and abused parameter of amplifiers and speakers. Yet, it is often the first and possibly only parameter Understanding Audio Understanding Speaker Sensitivity.

Speaker sensitivity is a measurement of how well a speaker converts the amplifier power to to acoustic energy. In others words, how loud the Often people are wanting to add speakers to their amplifier to increase power. However, in most cases, adding speakers will reduce the power in Speaker impedance changes amplifier power output.


Robot or human?

In an earlier article we looked at the issues involved in connecting multiple speakers to one amplifier. In this article we look at some of the practical ways of wiring four speakers to each amplifier left and right. For example, it is normal to have your main HiFi amplifier in the lounge room. It is also common to want to have some speakers in the family room, outside patio or pool area and in the workshop or garage. If you need to connect just 2 pair of speakers to a HiFi stereo amplifier that is, 2 speakers to 1 amp , see my article on How to connect 2 speakers to 1 amplifier.

Buy (2) Pairs Rockville RVC 6x9" Component Car Speakers+4-Channel Amp+Wire Kit at all-audio.pro

How To Wire A 4 Channel Amp To 6 Speakers


Without Any Extra Cost to You! Everybody loves to hear loud music while driving or traveling a long distance. Some people like to listen to loud music, and the rest like to listen to low volume. So one should maintain the sound quality and equipment in their car to enjoy a sound journey. Yet, you have particular ways of this. For good sound quality, a person can prefer to wire 6 speakers in their car. To install it properly, you need to know the rules of equipment properly.

4 channel amp, 6 speakers

how to hook up 4 channel amp to door speakers

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Bridging a four-channel car audio amplifier will effectively double your amp's output watts so that you can drive more power to your speakers or subwoofers.

How To Wire A 4 Channel Amp To Front And Rear Speakers


Adding a 4 channel amp is a great idea. Very nice! 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. It means 2 channels are sharing the workload of one speaker between them and therefore and drive it with more power. A 4 channel car amp is basically an expanded version of a 2-channel amp.

Best way to connect 5 speakers to a 4 channel amp

Our experts explain how to wire a 4 channel amp to 6 speakers in a very easy way in this article. Wiring a 4 channel amp to 6 speakers can be done in two major ways: wiring in series and wiring in parallel. These methods have their pros and cons. But, before we dive into that, keep in mind that connecting more speakers with an amp of less capacity shortens the lifespan of your amplifier [1] as it hikes up the load. Hence, you could procure a 6 channel amp for 6 speakers instead of a 4 channel amp.

I'd like to bridge the (4) 's together on one of these amps if possible. Each speaker is a SVC 4 ohm and each of the subs are stable to 2 ohms. Now the real.

How to wire a 4-channel amplifier?

A 4-channel car amplifier can power up your speakers or subwoofers and give you more sound clarity. There are many models that can be found on eBay. Before you make a purchase, here are a few things to know about amplifiers. Amplifiers are available in a wide range of channels.

This article discusses how to wire a 4 channel amp to 6 speakers. Suppose you have 6 speakers stereo and all you have to power it is a 4 channel amp. In that case, you will find out about how you can easily and successfully get this done in detail. You can wire a 4 channel amp to 6 speakers in two different ways. This process can either be completed in series or in parallel.

To add a 4-channel amplifier to your car stereo system, you will first need to select the correct speaker, so as not to overload the amplifier.

There are many ways to wire 6 speakers to a 4 channel amp. However, wiring 6 speakers to a 4-channel amplifier is not a common practice nor is it a good practice. Just like its a not a great practice to wire 6 speakers to a 2 channel amp. Usually, a 4 channel amp will overheat when the load is increased to 6 speakers. The better option is to get a 6-channel amp for the 6 speakers. But you can still easily connect 6 speakers to your 4 channel amp anyway. There are two main ways to wire 6 speakers to a 4 channel amp.

You can easily connect 4 speakers to a 2 channel amplifier just by keeping in mind the impedance of speakers and dividing the power equally to both the channels. There are both methods available to connect 4 speakers i. Which method to use depends upon your speakers and amplifier. Both the speaker and amplifier have impedance and limits that cannot be crossed to stay safe.




Comments: 4
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  1. Barg

    I can recommend going to a site that has a lot of information on this subject.

  2. Mahmud

    It is the excellent idea

  3. Zugis

    The highest number of points is achieved. I think it is a good idea. I agree with you.

  4. Cabal

    In my opinion, this is obvious. I will refrain from commenting.