4 ohm Amplifier With 8 ohm Speakers | How Will It Works

Are you an avid music enthusiast who’s constantly thinking of ways to upgrade your speakers and always looking to buy new devices to add to your home stereo system? Well, don’t think you’re weird, you’re not alone. We all are birds of the same feathers.

While thinking of upgrading, at some point you must have wondered if you can use 8-ohm speakers on a 4-ohm amplifier, right? Again, you’re not alone. This is a very common question we receive quite often that most people have. That’s why we decided to come here today to explore with our readers whether it’s possible to make it work. If you’re curious to learn, please be our guest.

4 ohm amplifier with 8 ohm speakers | How will it works
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Brief Overview of 8-ohm speakers & 4-ohm amplifiers

We thought, before we actually dive deeper into the mechanisms to see whether an 4-ohm amplifier will work with 8-ohm speakers, it would be wise to give you a general idea of how they typically work. Having some basic background knowledge about these, will make understanding the soon-to-come-complicated parts much easier.

Not to mention, there are 4-ohm speakers as well. Hence, you should really understand their definitions and the respective differences between 8-ohm and 4-ohm speakers before we proceed any further.

Are you ready? Let’s begin then!

4 ohm amp with 8 ohm speakers

What Are 8-ohm Speakers?

8-ohm speakers are manufactured in such a way that it can produce up to 8 ohms of impedance. If you don’t know what ohms are, it’s actually the unit measure of resistance that an electric current goes through in a circuit. With the help of ohms, you can also figure out how much power an amplifier can provide without possible sound distortion.

What Are 4-ohm Amplifiers?

A 4ohm amplifier is an electronic device that ‘amplifies’ or multiplies the electrical signal input to it and outputs the amplified signal to a 4-ohm load.

Wondering what “4-ohm” refers to? It basically refers to the electrical resistance of the load that the amplifier is designed to drive. Remember – with a lower resistance, a greater amount of current will be drawn from the amplifier and consequently you’ll get higher power output.

Will 8-ohm Speakers Work on a 4-ohm Amplifier?

Now that you no longer have confusions regarding their definitions and how they function, let’s know the answer to the most awaited question – Can 8-ohm speakers be paired with 4-ohm amplifiers? More importantly, even if they can be paired, will the connection work out for the best?

The thing is, there’s no doubt that it’s possible to connect a 4-ohm amplifier with 8-ohm speakers. You can make a connection using AUX cables, RCA cables, TOSLink cables or even wirelessly if both the devices have integrated Bluetooth connectivity technology.

However, as for the “will it be a good decision” part, it actually depends. There are multiple advantages of using a 4-ohm amplifier for your 8-ohm speakers. Likewise, there are certain disadvantages too. Let’s explore them together and then at the end of the article you can decide whether or not you want to use a 4-ohm amplifier for your 8-ohm speakers.


  • Additionally, 8-ohms offer good resistance and are less prone to overloading or distortion.
  • Overall, the audio quality will be improved with greater clarity, accuracy and bass.
  • Using 8-ohm speakers for 4-ohm amplifiers is a relatively cheaper option than other types due to the lower production costs, making them an affordable option for those with a tight budget.


One of the major disadvantages of combining 8-ohm speakers with 4-ohm amplifiers is that they are more susceptible to blowouts and other sonic problems.

Because 8-ohm speakers are frequently designed for lower power outputs, when used with 4-ohm amplifiers, they may not be able to handle the complete power output without blowing out or distorting the sound.

This is especially dangerous if the 8-ohm speakers are linked to bigger 4-ohm amplifiers, as both components may be damaged.

Furthermore, when partnered with 4-ohm amplifiers, 8-ohm speakers may not deliver as much clarity or accuracy in sound reproduction as higher impedance speakers.

Because of its lower impedance level, 8-ohm speakers consume less power than other varieties but are less well-adapted for reproducing high frequencies or creating better sounds.

Another disadvantage of 8-ohm speakers is that their lower impedance level can degrade overall sound quality when paired to larger 4-ohm amplifiers.

Because 8-ohms demand less power from an amplifier than higher impedance levels, when utilized on a big 4-ohm amp, the audio output may lack clarity and enhanced sonic details when compared to higher impedance levels such as 16 ohms or 32 ohms.

Finally, because of their proclivity for distortion at low frequencies, 8 ohm speakers may have a more difficult time producing deep bass tones than higher impedance levels. If you love listening to music with deep hard-hitting, chest-pounding bass, then you should rethink your decision a second time.

What Amp is Best For 8-ohm Speakers?

You can use both 4-ohm and 8-ohm amplifiers for your 8-ohm speakers. Both of these options have their own pros and cons.

For instance, 8-ohm speakers are typically more efficient and can produce greater volume with less power. On the other hand, 4-ohm speakers are generally more powerful and can produce more volume, but they may require more power.

So, basically a speaker with a nominal impedance of 8 ohms and a continuous power rating of 350 watts will need an amplifier that can generate at least 700 watts into an 8-ohm load. As long as your amplifier is of good-quality and rated at 700 watts per channel into 8 ohms for a pair of speakers, you will be good to go.

Wrapping Up

It’s very puzzling, we know. No matter which amplifier you use for your 8-ohm speakers, the connection will have a few of its own downsides along with several advantages too. You should consult with the User Manual booklet of your speakers to see what kind of amp the manufacturers recommend to pair with your speakers. You may also consult with your other music enthusiast friends and see what their sound system looks like. You’ll learn a lot from their respective experiences and then will be able to make a good decision for your very own home stereo system.

Frequently Asked Questions:

1. Can I run an 8 ohm speaker on a 4 ohm amp?

Answer: Yes, you can run an 8-ohm speaker on a 4-ohm amplifier.

2. Can I use 4 ohm and 8 ohm speakers together?

Answer: Yep, you can combine 4-ohm and 8-ohm speakers together and it will work out just fine, given that your unit is 4-ohm capable and you’re not wiring speakers in parallel or integrating both A/B speakers.

3. What ohms are best for speakers?

Answer: Well, modern-day good-quality speakers have an ohm rating of 2 to 8, although some high-end expensive models may have even more than 8 ohms. Ideally, the 4-ohm is the standard resistance and among the best rated. Nonetheless, this actually varies depending on an individual’s preferences and needs.

4. Do 4 ohm and 8 ohm speakers sound different?

Answer: Generally, the theory is that the higher the ohms, the better the sound quality you’ll get to hear, given that the amplifier you’re using is able to supply the required power wattage. Nevertheless, you may also see 4-ohm speakers sounding better than 8 ohm speakers in some top-ranked models.

5. Does higher ohms mean better sound?

Answer: Well, lower ohms speakers are typically louder. But with higher ohms, you’ll be exposed to an overall better sound experience.

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