However, if you’re looking to buy new speakers, then the decision may be easier – go for eight-ohm speakers. With an impedance of four ohms, the current flow is more consistent which makes it easier on the amplifier and should result in longer component life. In terms of sound output, a 4-ohm amp will be louder at the same volume setting, but an amp can distort at a higher volume with a lower impedance speaker. So if you already own an amp and don’t want to go out and get a new one, this can affect your decision. If your amplifier is rated for 8-ohm speakers, you can use either 4-ohm or 8-ohm speakers.If your amplifier is rated for 4-ohm speakers, you should use 4-ohm speakers.There are a few things you should consider when choosing between 4 ohm and 8-ohm speakers. >write a comprehensive article on which is better for home theatre, 4 ohms or 8 ohms If you only have one speaker, then it doesn’t matter which wiring type you choose since there are no other speakers to connect them to! Which is Better for my Setup – 4 ohms or 8 ohms? You only need to worry about series and parallel setups if you have multiple speakers. If one speaker is 16 ohms and another is 32 ohms: If you connect them in parallel, the impedance halves. In other words, if you have a pair of speakers and connect them in series, the impedance doubles. If you wire them in parallel, you will have a 4-ohm speaker. If you have a 4-ohm speaker and an 8-ohm speaker, and you wire them in series, you will end up with a 16-ohm speaker. This is important to remember when choosing your speakers and wiring them. In a series setup, the impedance of each speaker is added together, while in a parallel setup, the impedances are separated. This separates the load between each speaker, and the current is divided equally. In a parallel setup, all the positive terminals are connected together, and all the negative terminals are connected together. This creates a daisy chain where the voltage is summed at each connection point. In a series setup, the positive terminal of one speaker is connected to the negative terminal of the next speaker, and so on. When wiring your speakers, you have two main options: series or parallel. Series vs Parallel SetupsĪ lot of people get confused by this, so I’m going to try and explain it as simply as possible. I also have a great post on 2-ohm vs 4-ohm here. The 4-ohm speaker has less resistance than the 8-ohm speaker, thus, requiring more watts at the same voltage than if you were to use an 8-ohm speaker. This can happen if your amp has a cheap power supply and cannot supply the required current which can cause a fuse to blow. A cheap amp might fry itself at high volumes, and possibly your speaker too. This is where you want to be careful with what amp you get. It’s important to ensure that the amp you are using is rated for the same impedance as your speakers, otherwise, it can cause some damage.Ī 4-ohm speaker is more difficult for an amp to drive, requiring more current for higher volumes. You can easily get a 4 ohm 96dB speaker loud, but if you want to drive an 8 ohm 84 dB speaker, it will be hard for it to get loud enough without a bigger amp. The ohm rating of a speaker tells you nothing about how difficult it is to power. It all comes down to your budget and personal preference. 4-ohm speakers are generally more expensive and used in the more high-end models. The 8-ohm speaker will offer you more power than the 4-ohm model, but at the cost of lower volume at the same sound setting and sometimes more distortion at higher volumes. Don’t worry, I’ll explain how this works. In this article, we will discuss the pros and cons of each type of speaker, so that you can make an informed decision about which one is right for you.įor those unaware, the ohms refers to the speaker’s impedance. But what’s the difference? And which one should you choose for your home entertainment system? In the world of audio, there are two main types of speakers: 4 ohms and 8 ohms.
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