Car & Electronics

Top 10 Best 4-Channel Amp For The Car 2024 – Upgrading Your Audio System

Are you familiar with the best 4-channel amp? If not, then you have an advantage over what’s coming next with this helpful guide.

Upgrading your current audio system requires an efficient and accurate amplifier.

Anything less will not do. If you find the perfect blend of price and quality, then there’s nothing like it. But to get there, you must do two crucial things.

First, you must know the best performing amps on the market. And second, you need to know everything there is to know about a 4 channel amp. Seem fair enough? So let’s get started!

There’s no loophole when it comes to buying 4-channel amplifiers. It’s either good or not good at all. After looking at features such as efficiency, accuracy, and power, we picked out the best of the best products for you.

4-Channel Amplifier Our rating Use Max Power Weight
Rockford Fosgate PBR300X4Rockford Fosgate PBR300X4 #1 (Editor choice) For litter space 300 watts 2.5 pounds
CT Sounds AT-60.4 Class ABCT Sounds AT-60.4 Class AB


For first setup 640 watts 6.7 pounds
Planet Audio AC2400.4Planet Audio AC2400.4


For customizing the sound all in one 2400 watts 12.2 pounds
Rockford R300X4 PrimeRockford R300X4 Prime


Good for mids & highs 300 watts 7.5 pounds
Clarion XC1410 XC Series MicroClarion XC1410 XC Series Micro


For small place 300 watts 2.2 pounds
JL Audio JX1000JL Audio JX1000


Superpower with compact size 1000 watts 4.4 pounds
Hifonics ZRX1016.4Hifonics ZRX1016.4


For the starters 1000 watts 9.6 pounds

We’ve come so far in this research that we found only the most superior and highly-competitive picks for you.

They have an incredible impact on sound quality to boost speakers and subs as you’d like.

  1. Rockford Fosgate PBR300X4Rockford Fosgate PBR300X4 – Good 4 Channel Amp for Small Spaces
  2. CT Sounds AT-60.4 Class AB 4CT Sounds AT-60.4 Class AB 4 – Most Precise and Efficient 4 Channel Amp for Any Vehicle
  3. Planet Audio AC2400.4Planet Audio AC2400.4 – Best Upgraded and Powerful 4 Channel Amp
  4. Rockford R300X4 PrimeRockford R300X4 Prime – Best Performance Channel Amp for Long-Lasting Usability

Best 4-Channel Amps 2024

1. Rockford Fosgate PBR300X4 – Good 4 Channel Amp for Small Spaces

Rockford Fosgate PBR300X4

This is a fast-acting 4 channel amp for most people. The Rockford Fosgate PBR300X4 will elevate your audio experience. It offers clear sounds at an energy-efficient rate.

The performance of this best 4 channel amp when paired with speakers is worth noting.

It’s sufficiently compact to fit into tight spaces. The simple wiring is quick to handle. And the battery power is precise and durable.

If you want very clear sounds even at high volume, go for this one.

It sounds much better than some high-end models we’ve tested. Plus, it comes with certain settings that are perfect for balancing sounds.

You can make many adjustments for precise speaker tuning on this amp. So you have undisturbed control over the crossover without the extra cost!

To sum it up, this 4 channel amp also uses innovative Boosted Rail technology.

What it does is increase circuitry boost to up the amp’s battery power for handling high volumes. But this amp runs hot without proper ventilation.

  • Powerful sound quality.
  • Precise sound control settings for fine tuning.
  • It runs hot in tight spaces.


2. CT Sounds AT-60.4 Class AB 4 – Most Precise and Efficient 4 Channel Amp for Any Vehicle

CT Sounds AT-60.4 Class AB 4

The CT Sounds AT-60.4 Class AB 4 is an Ergonomic 4 channel amp. It works to power front and rear speakers. Plus, the design is so transparent that you can see everything going inside it. Thanks to the plexiglass cover.

That said, this best 4 channel amp is a fancy-looking one, to be fair.

It’s a great alternative for spaces where a single speaker set won’t cut it. It has an incredible bass boost and smooth pass filters for accuracy.

If you’re looking for a long-lasting and good-looking amp for your car, this is the one. It runs on a variety of compelling factors such as efficiency, convenience, and power.

Tired of listening to music with distortion gaps due to high volume?

This model will help eliminate that. It even improves sound stream quality and output for fine-tuning. Be that as it may, this 4 channel amp gets hot when played out for too long.

It’s nothing major when stored in a small but ventilated space.

  • It’s a responsive and energy-efficient amp.
  • The design is simple, yet fancy to look at.
  • The body gets too warm after a few hours.


3. Planet Audio AC2400.4 – Best Upgraded and Powerful 4 Channel Amp

Planet Audio AC2400.4

What makes the Planet Audio AC2400.4 ANARCHY unique is the high power supply and bass boost. It has incredible bass boost if you want to know, with precise subwoofer control.

If there’s anything in your audio system that needs the most power to work, it’s this one.

It’s the perfect upgrade from factory systems. No matter how high or low the sounds, this best 4 channel amp with work without distortion.

The high and low-level inputs and variable low and high pass crossover are impressive.

Sound efficiency and output are two of the most important features of an amp. And due to the MOSFET technology, Planet Audio does it well.

It features Metal Oxide Semiconductor Field-Effect Transistors for it. This increases efficiency while monitoring power output and quality.

The only downside to this solid amp is the power output. Like the ratings suggest, this channel amp is supposed to push better power at 2400 watt. But it doesn’t.

  • It is bridgeable.
  • It offers incredible bass boost quality with precise subwoofer level control.
  • Doesn’t have a clear power output at 2400 watts.


4. Rockford R300X4 Prime – Best Performance Channel Amp for Long-Lasting Usability

Rockford R300X4 Prime

Thanks to the durable aluminum chassis, the Rockford R300X4 is the best 4 channel amp to use. It has incredible performance and value for anyone looking to upgrade.

Not to mention, it’s cost-effective and valuable. It packs a punch despite the small package.

The unit powers each speaker with at least 50 watts RMS.

If you want something more powerful, you can even switch up to 150 watts RMS to run subwoofers.

This you can achieve by switching the amp to 2-channel mode for more power output.

The 4 channel amp drives all speakers and subs to make an unbeatable audio system. And in case you haven’t upgraded your speakers yet, you can hook this up to the factory stereo.

The best part about is that it never gets hot, regardless of how long you use it. If you’re looking for well-upgraded features, this is the one.

Be that as it may, the design quality is a bit poor. It lacks durable design components that are impossible to get back in.

  • It offers incredible power supply with stable output current and temperature balance.
  • It drives excessive heat away, providing long-lasting durability.
  • The design isn’t as impressive as the performance.


5. Clarion XC1410 XC Series Micro – Best Compact and Energy Efficient 4 Channel Amp

Clarion XC1410 XC Series Micro

When you put small-sized audio equipment and power together, it gives birth to Clarion XC1410 XC.

This is a stable, durable, and compact amp. It delivers an excellent sound quality of 50 watt RMS per channel. Something that’s ideal for long-continued performance.

Another important feature of this amp is that fact that it can fit practically anywhere.

It’s so compact yet durable that you won’t find another as well-built as this one on the market. Having said that, this 4 channel amp offers distortion-free sound quality.

It fights to prevent the popping and crackling sounds when you increase the volume. (How does an amplifier work?) Also, it features a stable and smooth power-on and off mode to reduce any damages.

Other significant features include high-pass filters, low bass quality, and energy efficiency. The only downside to this amp is the safety cut off.

As mentioned above, one of the benefits of this amp is energy efficiency. So to keep that working, this amp might tune out for a few seconds if you push the power output a tad too much.

  • It is compact, practical, and very durable.
  • Installation is easy and quick.
  • It stops working for a few seconds if pushed too hard.


6. JL Audio JX1000 – Best Durable and Precision-Driven 4 Channel Amp

JL Audio JX1000

If you want something that’s easy to set up, the JL Audio JX1000 is an excellent choice.

It is a high-end model without the drawbacks that make usability inaccurate. It features unregulated PWM switching technology for its power supply.

Plus, the soft-start helps avoid distortion and popping sounds to tune to higher volumes.

It’s fast and sturdy, just like you’d expect it to be. All thanks to the strong components. The robust construction of the amp is its most desirable quality.

You won’t find such as well-thought-out and stable amp than this one. That’s for sure!

Also, it places 1,000 watt RMS to power your subwoofer. So you get to experience the bass boost you’ve always wanted to hear.

Another impressive quality of it is the remote level that lets you fine-tune your sub as you like. Having said that, we did find one minor flaw with this 4 channel amp.

Nothing deal-breaking, but it’s obvious one you’ve used it for a while. It requires high amounts of voltage draw to work. So it may drain the battery if you don’t know beforehand what your vehicle is capable of.

  • It works with all kinds of audio systems.
  • Offers exceptional bass quality with subwoofer control settings.
  • It pulls in way too much voltage for performance.


7. Hifonics ZRX1016.4 – Good Starter Buy for People with Limited Knowledge about Amplifiers

Hifonics ZRX1016.4

Our last pick, the Hifonics ZRX1016.4 Zeus is a dependable and powerful buy. It offers excellent dynamic features for long-lasting performance.

That said, its configuration and installation are very straightforward and efficient. If you want a reliable and precise car amp to suit your current audio setup, this is the one. (Building your own car stereo system)

It can double as an accurate stand-alone power system if you want it to.

The unit has a low-distortion sound quality ratio with dynamic volume control features. The high-pass and low-pass filter quality and monitoring make all the difference.

So much so that it amplifies sounds to a whole new, ground-breaking level. In case you don’t understand how to hook this up to your current speakers, it comes with a simple manual guide.

To be fair, this 4 channel amp is better than any higher-priced amp on the market. But it would have been even better and dependable if it didn’t run hot under pressure.

  • It offers linear sound quality at a dynamic sound range.
  • The low-pass and high-pass filters are very precise.
  • It runs too hot when used for an extended period of time.


4-Channel Amps Buyer’s Guide

8 door speakers wired to a 4 channel amp

The guide is for those of you who don’t know what a 4 channel amp is.

If you’re done needing recommendations, it’s time this guide gave you some information to move forward with.

Your future self will thank you for the information you’re about grasp in just a few seconds.

Two Important Features to Look Forward to

RMS Power Rating

For amplifiers, you must look at its RMS power rather than peak power ratings. RMS power is the exact measure of the amp’s power. It’s the absolute amount of authority an amp has for continuous performance.

You only want to measure or consider an amplifier’s RMS power to determine its performance. Plus, this will help you bridge the right set of speakers with a 4 channel amp.

With the correct RMS ratings, can you bridge to correct speakers or subwoofers? And the best way to do this is by checking the RMS for both speakers and subwoofers and matching them with the 4 channel amp.

You will never find comparable RMS ratings. But the closer the numbers are to each other the better.

Sound Quality

4 channel amps are for music enthusiasts who want a full-fledged sound system for their car.

They don’t like to compromise on design and certainly not sound quality if it comes down to it. That said, the sound quality of 4 channel amps depends on some important factors.

But the thing you need to know is distortion-free quality and wide frequency response. These two factors lay the groundwork of a dependable and professional 4 channel amp. The lower the distortion level of an amp, the better sound quality it offers.

Another important agent of sound quality would be the build of an amplifier. The wiring, connection, mounting features, and size of an amp have a direct impact on sound quality. (Learn how to disconnect a car amplifier)

Our Final Verdict

Rockford Fosgate Boosted Rail Micro Amplifiers PBR300X4

Editor’s Choice: Rockford Fosgate PBR300X4Rockford Fosgate PBR300X4

It’s time to upgrade from factory systems. There are many people out there who want something more rewarding. And by investing in a 4 channel amp, they come close to sealing the deal.

This guide is for those of you who love music and want to listen to it the way it’s supposed to.

No more built-in, subtle baloney. You want something that makes a difference. With the help of a 4 channel amp, you will be able to hit the sweet spot and hear clear-sounding tunes.

If you’ve already bought a good set of speakers and subwoofers for your car, it’s about time to complete the circle. To help you do that, we have the Rockford Fosgate PBR300X4.

It’s one of the best 4 channel amps on the market. And for a good reason too. Please bear in mind that when it comes to buying new amplifiers, the more you know about them, the better.

Otherwise what you buy won’t be as good as your expectations. And frankly, that’s a bigger disaster than owning damaged ones.

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