Best 4 Channel Car Amp for Sound Quality

11 Best 4 Channel Car Amp for Sound Quality for Under $100 & 200 to $300 (Best small 4 channel car amplifier)

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Last updated on June 28th, 2023 at 09:00 pm

This is your go-to-list of top 4 channel amp for component speakers in your car. If you are looking for the best 4 channel car amp for sound quality, then you have to read this post to the end.  I will show you the best 4 channel car amp under 200 to $300 in the first category and then second category or group you see a list of the best 4 channel amp under 100 dollars.

These under $100 group are also the best small 4 channel car amplifier that is out there in the market with the turn of great reviews and happy customers. Also, read this article on Best Car Speakers for Bass and Sound Quality

If your car has a poor audio issue, then you should consider getting a car amplifier. Ordinarily, a car amplifier boosts the audio signal and then amplifies it. It powers the speakers of the car for great listening pleasure. Since the purpose of an amplifier is help provide quality audio and clear sounds, then it is time for you to get one of the best amplifiers. And that why we only show the best 4 channel amp for sound quality with other specifications mentioned above.

Before you decide to get a car amplifier, you should answer this question. Do you really need a car amplifier? And to me getting a car amplifier is necessary because, most in-built car amplifiers are not so effective and the have very low sound quality thereby, wanting an individual car owner to want to get an external amplifier.

Car amplifiers come in different sizes. What will be ideal for smaller vehicles might not be same for larger or bigger vehicles? When buying a car amplifier, you should also consider weight and compatibility.

These days, modern cars have a good audio system. However, if you still want to add an amplifier to your car, then you should get a 4 channel car amplifier.

4 channel amplifiers are compatible with any car with a stereo system. A 4 channel amplifier has all four channels that you can simply connect to your car audio components through the available four channels, wiring the 2 speakers in the front and also, the two in the back.

To get a small 4 channel car amplifier, there are a host of them. To help you get one, we have listed 11 best small 4 channel car amplifiers.

Related Post: 10w40 vs 5w40 which one is better for your Car

11 Best 4 Channel Car Amp for Sound Quality & Under $100 & 200 to $300

So for this list we are going to categories these best compact 4 channel car amplifier into 2 groups.

First groups are going to be the 7 best 4 channel car amp under $200 dollars to $300 and the second group are the best 4 channel amp under $100 dollars.

So whichever one you decide to settle for is going to serve very well is just high the pricier it gets the more features you will get. Other than that, all these are our top and best pick when you talk about the best small 4 channel car amplifier within this budget.

So let’s get started with the first group of which is best 4 channel car amp under $200 Dollars

Group A – Best 4 Channel car Amp Under $200 to $300

This first list might not be the smallest of it but they are sure sizeable and they are the best 4 channel amp for component speakers that will fit just great with your car.

  • #1. Rockford Fosgate Prime 400 Watt Full- Range Class – D – Channel Amplifier

This first 4 channel amp for component speakers that is under $200 is this Rockford prime R400-4D amplifier. This is one of the very best 4 channel amplifiers which offers high efficiency through the implementation of the class D circuitry which helps to power a full-range system. The high and low pass filters and punch bass helps the speakers perform well with amazing sound quality. this Is like the best 4 channel car amp for sound quality to try out if your budget is up to what is listed for here on Amazon

The prime R400-4D amplifier has a 4- channel rare systems to help run mid-range/tweeters in the front.

This is rated 4.5-star rating lots of satisfied customers and definitely one the best high end 4 channel car amplifier. That is not all, this amplifier is also one of the best 4 channel car amp under 200 dollars out there in the market. Very affordable.

Features & details

  • It is optimized for 4-channel front/rear system 
  • Power handling: It has a total power of 400 watts
  • Crossover: 12 decibel/octave Butterworth
  • 4 Gauge ground connectors
  • Top mounted controls
  • Cast aluminum heatsink
  • Onboard punch equalizer

Check price on Amazon

Also read this post: Best Car Speakers for Bass and Sound Quality

  • #2. CT Sounds AT-125 Class D 4 Channel Car Amp – Best 4 channel car amp under 300 

If you’re looking for a 4 channel amp with great sound quality then,  this CT Sound AT-125.4 should be worth investing in.  This is one of the best 4 channel amp for component speakers and is priced for $289 as at the writing of this article. It is one of the best high end 4 channel car amplifier to try. Rated 4.3-star rating with over 78 satisfied customer reviews.

This class D car amplifier can comfortably, handle high and mid-range frequencies.

CT sounds usually, comes with a MOSFET PWM, bridgeable outputs, 1Om stable mono operation.

Features & details

  • RMS: 500
  • DC offset
  • 1-Ohms stable mono operation
  • Soft turn-on circuitry
  • Nickel-plated RCA (for low resistance inputs)
  • Bridgeable outputs
  • Inbuilt speaker short protection
  • LED logo on the top

Checkout Current price on Amazon

  • #3. Alpine MRV-F300 4-Channel Car Amplifier

This is another class D 4 channel digital car amplifier that is price of less than $200.  As at the writing of this review, it was listed on Amazon here for $147. It is one of the best and the installation is very easy to do. Alpine MRV-F300 is small in size and, a good option when you want to upgrade your car factory system.

Sure this is go to pick for our readers who want the best 4 channel amp for sound quality. 

Features & details

  • It has 2 pair of stereo RCA jacks
  • Frequency response: 50-400 Hz
  • Bass boost 12 decibels
  • Automatic turn on
  • Easy to install
  • Bridgeable

Check out current price on Amazon

  • #4. Skar Audio RP-75.4AB 500 Watt Full-Range Class

The next best 4 channel car amp under 200  to consider is this Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier . The Skar audio RP, is a powerful amp in the class of A/B Full range 4 channel car amp.  The sound is great and it has the ability to supply plenty of power to all the car stereos components that have an RMS of 250 watts each. It comes with a high-speed MOSFET power supply, an adjustable crossover control. It is rated for 4.6-star rating and its priced for $149 which is very cheap for this category of amplifiers. This is one of our best 4 channel car amp for sound quality and I will always recommend this.

 Features & details

  • MOSFET power supply
  • 4 way protection circuitry
  • Thermal management system
  • Tri-mode capable
  • Bridgeable
  • RMS: 2 Ohms 250W, 4 Ohms 500w
  • 120 amp fuse
  • Soft turn on circuit

See Current Price Here

  • #5 Kenwood KAC-M3004

This is the next on our list to try out. Rated 4 star and for 137 dollars as the time of writing this post. the KAC- M3004 is a class D 4 channel car amplifier, a very strong amp that has a high and low pass filters at 12 decibel/octave. The speaker output has terminals and a plastic covered plugs.

Features & details

  • It is durable
  • Has a preamp and speaker-levels inputs
  • RMS: 4 Ohms 150w
  • 3-way circuitry
  • 12 decibel/octave
  • Frequency response: variable high and low- pass
  • MOSFET power supply
  • LED indicator lights

Check Out Current Price on Amazon

  • #6. JL Audio JX400/4D

This brand of car amp may not be a big name, but it is one of the very best 4 channel car amplifiers. Price for $191 as at the time of writing this article. And you should definitely check it out on Amazon here

Other Features & Details

  • A 3-way protection circuitry (thermal and speaker short protection)
  • Sensitivity: Low level input: 200Mv-4V. High level input: 2.0Mv-10.0V
  • RMS: 14.4V. 4 Ohms: 70w x 4chan| 2 Ohms: 100wx4chan
  • Fuse plug
  • Bridgeable

See current price on Amazon

  • #7. Rockford Fosgate Pb400X4D Compact Chassis Amplifier

The next 4 channel amp for component speakers is this Rockford PB400X4 is a class AB design 4 channel amplifier.  This is rated 3.8-star rating and priced for $209.  This model has a thermal management system. The Rockford Fosgate P400X4, any time, any day would be considered as one of the very best 4 channel amps. The sound is crystal clear. It has a punch equalizer with an 18- decibel boost.

Features & details

  • MOSFET power and output stages
  • Butterworth crossover: 12 decibel/octave
  • On-board punch equalizer
  • Stealth top-mounted control panel
  • Cast aluminium heatsink
  • C.L.E.A.N. Technology
  • RMS: 75W
  • Bridgeable

Check for the current price on Amazon

  • #8. MTX Audio Thunder 75.4

MTX Audio Thunder 75.4 is a 4 channel full range car amplifier. It is a class of A/B design that has very good sound quality. Thunder 75.4 model has an RCA inputs used signal.

It has an aluminium heatsink. This amplifier is rated 4 stars with over 46 satisfied customer review and one of the best high end 4 channel car amplifier to also consider.

Features & details.

  • It uses set screw type of connectors for the speakers and power control
  • It has an excluded aluminium heatsink
  • Crossover: variable
  • RMS: 400W
  • Small footprint design
  • RCA inputs for signal

See current Price on Amazon

Group B – Best 4 Channel Amp Under $100 (best small 4 channel car amplifier)

This second group of our top pick of the best 4 channel amp under 100 dollars includes some of the very best small 4 channel car amplifier. These are the best 4 channel car amp for sound quality.

  • #9. Planet Audio AC1200.4 Channel Amp Under 100USD

This 4 channel amp under 100 is rated 3.9-star rating with over 130 satisfied customers. If you are looking for the best high end 4 channel car amplifier with great sound quality, then this should be a pick for you.

A planet audio amplifier is one of the most sought-after car amplifiers. This 4 channel full-range amplifier has a low and high-frequency response that allows the speakers to produce clear sounds.

Planet audio AC1200.4 4 channel amp, is equipped with a remote subwoofer level control. It has a MOSFET PWM power supply that is in charge of the high- efficiency output and low and high input levels. It has a 2-Ohm stable amplifier of 1200 watts Max power. An audio planet amp, allows you to control the sound.

This is one of the best 4 channel amp under 100 dollars price mark to go for. See current price on  Amazon here

Features & details

  • It has a built-in crossover and channel separation
  • RMS power range: 800- 1200w
  • MOSFET PWM power supply
  • It has a speaker short protection
  • It has low and high-level inputs power and protection LED indicator light
  • Bridgeable trimode
  • Frequency response: 20 Hz -20 kHz dB

Lookup More Details Amazon

Here are the 2 Best Small 4 Channel Car Amplifiers

  • #10. Pyle PLMR A430BT Elite series Bluetooth Marine Amplifier Receiver

This Pyle model is a 4 channel amp system and one of the best small 4 channel car amplifier that is with $100. You should consider this amp if you looking for the best 4 channel amp under 100 dollar.

The Pyle series Bluetooth car amp has a Bluetooth wireless music streaming ability that is compatible with all Bluetooth devises. It is an amazing car amplifier with dual high-level speakers.

Features & details

  • 4- Channel amp system
  • Tri-mode ability
  • Thermal and speaker short protection
  • Aluminium heatsink
  • MOSFET power supply
  • Silver-plated speaker output terminal connectors
  • Power and protection LED indicators
  • Dual high pass, low pass & bass boost controls
  • Bridgeable

Check out the Current Price on Amazon

  • #11. BOSS Audio Systems Elite R1004

Boss Audio R1004 is a class A/B 4 channel car amplifier that comes with 400 watts Max Power and MOSFET power supply. And it is like the cheapest amp in this list. Priced for 34 dollars as at the time of writing this post. it is rated 3.5-star rating with over 1,100 customer reviews.

This is one of the best small 4 channel car amplifier or compact amplifier to on this price range to consider. 

It has a switchable input sensitivity which provides adjustable control over the input signal.

other Features & details
  • Bridgeable
  • MOSFET power supply
  • Full range
  • Sensitivity: Low/High-level inputs
  • Variable control
  • Power handling: 100 Watts Max x 4 at 2-ohms and 50 watts Max X4 at 4-ohms

Lookup More Details Amazon

Conclusion on the best 4 channel car amp for sound quality

The listed 4 channel car amplifiers in this article are reliable. In some, they are adjustable- meaning, you can control things by yourself. When buying a car amplifier, here are things to consider. They are:

Power handling, size and installation process.

  • Power: The RMS for smaller vehicles isn’t the same as that of big vehicles. Check your car stereo’s speaker to know the RMS power it could carry. The RMS will determine the type of 4 channel car amplifier you will buy.
  • Size: Before buying a car amplifier, you should know already where you will place it in the car. Usually, it is placed under a seat.
  • Installing: Some car amplifiers are easy to install. You do not need the service of a car electrician to help you out. If you do not have such luxury looking for an electrician to help fix the amplifier, you can as well get one that is less technical. Do well to read the installation process before you start installing your car amplifier.

Next Read Best Car Speakers for Bass and Sound Quality

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