Best 4 Channel Amps For Mids And Highs 2022

(Last Updated On: June 17, 2022)

Are you annoyed because your stereo system isn’t producing high-quality sound? If you have front and rear speakers and want the best sound quality and volume, then an amplifier can do the best job for you. The four-channel Amps for Mids and highs can allow you to enjoy maximum sound quality with perfect clarity. You will be able to enjoy a premium sound quality, and the front and the back speaker will produce a great sound with the help of a four-channel amplifier. If you have just two speakers, the four-channel amplifier will work well with that as well.

In this post, we will review three of the Best 4 Channel Amps For Mids And Highs, and with the help of this article, you will get a heads up about the best four-channel amplifier in the market right now. Once you pick one of the Amplifiers mentioned in this list and use it, you will experience an excellent sound quality and volume.

Best 4 Channel Amps For Mids And Highs (Comparison)

Rockford Fosgate R400-4D200 W x 2D

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Skar Audio RP-75.4AB75 W x 4AB

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Pioneer GM-D8604100 W x 4FD

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Rockford Fosgate R400-4D

Rockford Fosgate R400-4D

Rockford Fosgate is one of the top brands that produce four-channel amplifiers. R400-4D amplifier is best selling and has been rated high on Amazon. The customer reviews are also positive, and if you buy it, you will surely have a pleasant experience. The quality amplifier allows you to generate a superior quality sound, and the sound is excellent and without any disturbances. The auto turn-on feature helps to wire the amplifier easily, and the best part is that you don’t have to be professional to do that as it is straightforward to do the job. Once the voltage goes through the system, the amplifier starts working, and you don’t have to turn it on manually. The aluminum heat sink doesn’t let the system heat up, and it stays cool and efficient even though you work with it for prolonged hours. The amplifier is powerful, and it has all the essential features that can help you to blast the sound quality and volume of your stereo system.

Top Brand

Rockford Fosgate is known to be the best brand that produces high quality and premium four-channel amplifiers. The brand also makes top-quality audio equipment, and they have been in the business for a long time. The experience they have has made it possible for them to create the best amplifiers and beat their rivals.

Frequency Range

The amplifier has a crossover frequency range of 20 to 20,000 HZ that is excellent for enhancing the sound for any type of music. Lower sounds are highlighted and directed towards the speakers, and the bass is also boosted to make the sound quality clear. The dominant frequency range will allow you to pump your music and will let you enjoy the ultimate listening experience.


The high-performance amplifier by Rockford Fosgate will enable you to experience a powerful music sound. It delivers the highest degree performance and charges up your stereo system like never before. The amplifier will help the stereo to produce quality sound without any disturbances. You are up for some great surprise if you buy this amplifier because the sound quality you will experience is rare and unique.

Cooling System

The biggest problem most people face while using an amplifier is that the system heats up and due to heating it can damage and wear out. The model of this amplifier comes with an aluminum heat sink that helps to sink all the heat up and keeps the system cool. This feature also helps you to get triple circuit protection.


The amplifier can be used with a wide range of speakers. This makes it one of the most flexible amplifiers in the market. The amplifier is lightweight and compact and can be fit into small spaces easily. The amplifier is a bit heavy, but it has multiple useful features that make it a perfect amplifier for car stereo systems.

Auto Turn On FeatureIsn’t Suitable For Connecting To Multiple Subwoofers
Easy SetupHeavy
Aluminum Heat Sinks Prevent The Amplifier From Heating Up



Skar Audio RP-75.4AB

Skar Audio RP-75.4AB

Skar Audio is a famous company known for making some incredibly useful audio systems. Their devices are affordable, and you will be able to get the best sound quality out of your stereo system after using this amplifier. Skar Audio RP-75.4AB has a classic design and can impress you with its looks even before you start using it. The new technology circuit design helps to protect the amplifier from low voltage and short circuits. If you are looking for a four-channel amplifier that is easy to install, then nothing can be easier than installing this amplifier. The surface-mounted amplifier comes in a compact cover, and that is why it is super easy to fix it. You wouldn’t feel the need to connect it to external converters and have to use a secure snap-on connection to set it up.


The Skar Audio RP-75.4AB delivers power to your Mids and highs and allows you to enjoy crisp and powerful music. If you are a fan of live music and prefer to concentrate on the vocals more as compared to music and beat, then this amplifier will satisfy you the best. The amplifier will give your speakers a new life and will charge them up to produce an extra clear and fine and clear sound.

Sleek & Modern Design

If you like attractive looking and trendy designs, then this amplifier will satisfy your needs. The sleek design of the amplifier is built well with high-quality material and will last for long. The amplifier is thin and sleek and the manufactures have made the design according to the latest trend.

Built-in Heat Sink

The amplifier comes with a built-in heat sink that doesn’t let the amplifier get heated up even after prolonged use. The amplifier will stay cool and will produce a high-quality sound for you.


If you have space issues, then this amplifier could be the best fit for you. The amplifier takes up a little space and can give a powerful performance despite being compact. It can easily be mounted under a seat or another small area of your car and still help you to enjoy a powerful sound.

Budget FriendlyYou Must Mount It In An Area Where There Is Sufficient Airflow
Compact & Flexible. Can Be Used With Multiple SpeakersScrew Holes That Are Used For Mounting Could Have Been Bigger
Frequency Filtering Is Great



Pioneer GM-D8604

Pioneer GM-D8604

Pioneer GM-D8604 bridgeable Amplifier delivers maximum power of 1200 Watts. It boasts of powerful features, and class FD design is refined. There is a good quality bass remote, which provides convenience for the users. You will get the efficient performance and high-quality sound. The inputs for the level of speakers are handy, and you can connect them with an OEM head unit. The bass boost remote will allow the adjustment of bass and give out the optimal sound with creating any vibration.

Significant Power, Small Size

Pioneer GM is extra efficient when it comes to providing a maximum power of 1200 W. It is small in size when compared with other amplifiers, and the class D design makes it much more elegant. The installation process is easy, and it won’t take much time and effort. The size is 50% smaller than other amplifiers in the market and can be transported easily. You can place it inside the trunk of your car or mount it near the dash cam. If you have purchased it for home use, putting it on a cabinet will be a good idea. The weight of this amplifier is 6.3 pounds, and this is why it can be moved so conveniently. It doesn’t take up much storage space either. It delivers equal power on the front and backside of the amplifier. You will get additional accessories like screws, ATO fuses, and warranty information too.

Circuit Design

Pioneer GM-D8604 can prevent the showdown of circuits, which means that your amplifier is safe. The protection control system, which is used for manufacturing circuit design, works well to control the temperature. The internal temperature will regulate according to the outside temperature making it moderate. The circuit is so durable that it will lessen the risk of high power input, making things easy for users. You can connect multiple subwoofers to a variety of systems as the amplifier is compatible with almost every system.


The amplifier is a real example of sustainability and flexibility. There are two variables named LPF and HPF, which make the frequency of audio flexible and smooth. The variables blend well with the characteristics of the subwoofer. You can customize them according to your listening requirements, but the audio will be distortion-free in all cases. The variables LPF and HPF of Pioneer GM-D8604 are adjustable and flexible with 40Hz- 500 Hz frequency. It is a bridgeable amplifier and comes packed with 4 –RCA inputs. You can control the volume with a remote, and it can be customized according to your preference. Most of the amplifiers create a certain level of noise and vibration, but due to this variable audio quality is serene.

Speaker Level Inputs

GM-D8604 speaker level inputs turn out to be the most convenient feature for all music lovers. They will connect to OEM units or any other specific unit which doesn’t have RCA type of inputs or features. The best thing is that you won’t have to purchase add-on adapters as they can be costly. The installation process is fast and steady, and you can save a lot of money as you don’t need an expert for it. You can do it on your own as the manual of instructions is lovely. When you have this pioneer amplifier in your car or home, you can enjoy music to the fullest. It is a 4-channel amplifier so it can be useful for your car audio, but it doesn’t mean it can’t be the right choice for home audio.

The Bass Boost Remote Control Will Give Optimal Adjustment Of Bass As Per Your RequirementFilter Frequency Is Not Good
Lightweight & PortableThe Internal Fusing Could Have Been Better
High Frequency Range




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