7 Best Car Amplifiers Review 2021 [With Buying Guide]

As an audiophile, you would go miles just to get a nice car sound system.

In fact, you might have already looked for options to replace the factory speakers of your car. You might even have gotten subwoofers installed to improve the sound quality.

Now, the next step is to complete your fantasy and give the sounds its last boost with the best car amplifier. The problem is, picking out the right amplifier can be hard because of the vastness of the audio equipment market.

In fact, many even claim to be the best. The truth is, what might be the best car amplifier for you might not be the best option for someone else. So, it all comes down to what you need and prefer.

Let’s have a look at the best car amplifiers that will complete the car audio system you’ve dreamt of for so long!

How We Tested The Best Car Amplifiers Before Writing This Honest Review

After much consideration, we picked 7 of the best car amplifiers that one can find in the market today.

Then, we compiled their features and what makes them best along with a list of the pros and cons.

So, before you decide to buy an amplifier, read on the best car amplifiers with this detailed review.

In fact, this review we will also guide you on how to buy the best amplifier. Read on to choose from the top seven car amplifiers.

7 Best Car Amplifiers Review

So that these reviews would be entirely honest, I first tested quite a number of Car Amplifiers.

I researched and considered several factors while making this list of 7 best Car Amplifiers. The features, pros, and cons after their usage have been listed below to make your task easier.

This article will help you in making a well-informed decision. It will save a lot of your time and energy as well. Take a read and start your alluring music journey with the help of Best car amplifiers!

1
BOSS Audio R1100M 1100W Car Amplifier

r1100m
BOSS R1100M 1100W Mono Car Audio Amplifier Amp
4.14.1 / 5
The bass boost is switchable and this amplifier comes with an adjustable low-pass crossover. You can adjust the bass to your liking with the help of a simple wired remote subwoofer.

BOSS Audio R1100M is a car amplifier with 1100W of maximum power and has one channel. With an impedance of 2 ohms, it takes you sound system to another level. The rating of this amplifier is Class A/B.

With a MOSFET power supply, it works exceptionally well. The bass boost is switchable and this amplifier comes with an adjustable low-pass crossover. You can adjust the bass to your liking with the help of a simple wired remote subwoofer.

If you are looking for an amplifier that is great for first-time buyers, BOSS Audio R1100M is the right choice.
BOSS Audio R1100M is a car amplifier with 1100W of maximum power and has one channel.
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Pros

  • 6 Year Platinum Dealer Warranty
  • Stylish appearance with blue backlit BOSS logo
  • Has low-level inputs as well as high-level inputs

Cons

    • You can face heating issues.
  • Instructions for installation of the remote are pretty vague.

Who Should Buy It?

BOSS Audio R1100M 1100W is pretty easy to install as well. If you are looking for an amplifier that is great for first-time buyers, it is the right choice.

Check Price at Amazon

2
BOSS Audio AR1500M 1500W Car Amplifier

ar1500m
BOSS Audio AR1500M Car Amplifier
3.73.7 / 5
With this amplifier, your audio system goes up an extra notch. This amplifier has a slim design and comes packed with amazing features.

BOSS Audio AR1500M works at a maximum power of 1500 W. This car amplifier has both high level and low-level inputs. You get a remote subwoofer control to make your music experience even better.

With this amplifier, your audio system goes up an extra notch. This amplifier has a slim design and comes packed with amazing features.

With BOSS Audio AR1500M, your audio system goes up an extra notch.
This amplifier has a slim design and comes packed with amazing features.
———

Pros

    • 6 Year Platinum Online Dealer Warranty
    • Variable Low Pass Crossover
    • Remote Subwoofer Control
    • MOSFET power supply
    • Slim Design
  • Short Circuit Protection

Cons

    • Heating issues if runs for a long time
    • Little distortion at high volume
  • Gives less than the rated 1500W

Who Should Buy It?

BOSS Audio AR1500M works perfectly with car radios, subwoofers, and speakers. It is pretty easy to set even if you don’t know your way around wires and electric equipment.

Check Price at Amazon

3
Ignite Audio Mono Block Class D 4000 W Car Amplifier

ignite d4000w
Ignite Audio Mono Block Class D Car Amplifier 4000 Watts Peak Power
4.34.3 / 5
The quality of the sound, as well as efficiency, is increased. There is little to no voice distortion when it comes to this amplifier.

Ignite Audio Mono Block Class D 4000 W Car Amplifier is a great addition to your car’s sound system. This is a Class D amplifier with Peak power of 4000W. Class D technology increases the power output.

The quality of the sound, as well as efficiency, is increased. There is little to no voice distortion when it comes to this amplifier.

Ignite Audio Mono Block Class D 4000 W Car Amplifier is a great addition to your car’s sound system.
There is little to no voice distortion when it comes to this amplifier.
———

Pros

    • Promises very clear and strong sound quality
    • Doesn’t heat up; provides continuous great performance
  • A great and effective amplifier at a great price

Cons

    • Doesn’t come with a factory bass knob
  • Since it is a monoblock, it cannot be bridged

Who Should Buy It?

Ignite Audio Mono Block Class D 4000 W Car Amplifier works effectively in small, compact spaces. It is great as an entry-level amplifier.

Check Price at Amazon

4
Planet Audio AC1500.1M 1500 W Car Amplifier

Planet Audio AC1500.1M
Planet Audio AC1500.1M Car Amplifier – 1500 Watts Max Power
3.63.6 / 5
With features like the MOSFET power supply and a max power of 1500 watts, you can set an audio experience according to your preference.

Want to make your own rules when it comes to music? The Planet Audio 1500W car amplifier is a great option. With features like the MOSFET power supply and a max power of 1500 watts, you can set an audio experience according to your preference.

Moreover, with the remote subwoofer control, bass boost, and variable low pass crossover, you can customize the sound.

The variable bass boost lets you adjust the low bass within the boost range. You can set it just the way you prefer.

The dimensions of the car amplifier classify the unit as a compact and slim design. As a result, it can be easily installed in many different places.

The Planet Audio 1500W car amplifier is a great option to make your own rules when it comes to music?
The variable bass boost lets you adjust the low bass within the boost range. You can set it just the way you prefer.
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Pros

    • A very powerful and eye-catching unit
    • You get a long-lasting, highly powerful unit at a reasonable price
  • Doesn’t damage the electronics it is connected to

Cons

    • Can’t go into protection mode with the amplifier maxed out
  • Tedious to take off the metal cover to connect the main wires

Who Should Buy It?

The Planet Audio AC1500.1M is from the anarchy series of amplifiers. It comes with features you can use to control and customize your sound.

With the sound set to your preference, you can enjoy all your trips with clear and loud sound. Plus, this amplifier is also ideal for first-time buyers.

It comes with a 6-year warranty so new users can experiment with the sound without worrying about damaging it.

Check Price at Amazon

5
Alpine MRV-F300 4-Channel 50 W Car Amplifier

Alpine MRV-F300
Alpine MRV-F300 4-Channel Car Amplifier
4.44.4 / 5
Despite being a 4-channel amplifier, this can also be used as a 3-channel amplifier. You can power two speakers along with a subwoofer with this unit.

The 4-channel car amplifier is known for both its compactness as well as versatility.

Despite being a 4-channel amplifier, this can also be used as a 3-channel amplifier. You can power two speakers along with a subwoofer with this unit. Similarly, it can also be used as a 2-channel amplifier amp to power up two speakers.

This 4-channel car amplifier also comes with the thermal protection feature. This is a safety feature that allows the amplifier to cool itself down without stopping the music.

All in all, with this car amplifier, you can get pretty commendable power, but at a reasonable price. Its simplistic interface along with the compact design makes the amplifier quite attractive.

The 4-channel car amplifier is known for both its compactness as well as versatility.
Its simplistic interface along with the compact design makes the amplifier quite attractive.
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Pros

  • The compact size allows it to be placed almost anywhere
  • Offers sound quality that is just as that of high-end models
  • Adds clean and precise power without distortion or static

Cons

    • It heats up quite a lot
  • Doesn’t last for long

Who Should Buy It?

If you want a car amplifier with simple and straightforward inputs and access dials, this is a great option.

It is also suitable for those who want to enjoy a crossover of different speaker systems without a problem. It can be used with just about any brand and make.

Check Price at Amazon

6
Rockville dB15 6000w Car Amplifier

Rockville dB15 6000w
Rockville dB15 6000w Peak/1500w RMS Compliant Mono Car Amplifier
4.24.2 / 5
This amplifier comes with a fully adjustable 12dB/octave crossover with differential circuitry.

Another unit that must be included in the seven best car amplifiers is this one by Rockville.

This amplifier comes with a fully adjustable 12dB/octave crossover with differential circuitry. Apart from that, the unit is quite feature-rich. It comes with features like mute and delays soft start technology and a subsonic filter.

It is equipped with a fully adjustable bass equalizer, a dashboard subwoofer, and a phase control switch. All the features add to the unit’s convenience.

The dB15 is protected by an IC-controlled circuit with professional peak limiter circuitry. The circuits guarantee distortion-free music at different levels.

Another unit that must be included in the seven best car amplifiers is this one by Rockville.
It is equipped with a fully adjustable bass equalizer, a dashboard subwoofer, and a phase control switch.
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Pros

    • Features a high-quality volume slider
    • Sturdily-built amp with certified wattage
  • The amp is powerful and provides the money’s worth

Cons

    • Goes into protective mode when hooked up with some brands
  • The amplifier isn’t too durable

Who Should Buy It?

The unit is primarily for those who are passionate about getting the sound right. Since these units are highly efficient, they result in an even dB of sound.

Ultimately, you can enjoy, powerful, even, and crisp sound just how you like it.

Check Price at Amazon

7
BOSS Audio R3400D Riot 3400 W Car Amplifier

BOSS Audio R3400D Riot 3400 W Car Amplifier
4.14.1 / 5
The R3400D Riot is one of the best amps you can install. Since it is available at a cheap price, it can be fit your small budget easily.

The last unit in the list of best car amplifiers is another one by Boss.

The R3400D Riot is one of the best amps you can install. Since it is available at a cheap price, it can be fit your small budget easily.

The amplifier also comes with features like an RCA pre-amp output, low-level input, and switchable phase control. There is also a remote control for the subwoofer.

Like other Boss units, it comes with a 6-year warranty and is easy to install.

The R3400D Riot is one of the best amps you can install. Since it is available at a cheap price, it can be fit your small budget easily.
The car audio amplifier also comes with features like an RCA pre-amp output, low-level input, and switchable phase control. There is also a remote control for the subwoofer.
———

Pros

    • Great amp considering the unit’s price
    • Both the filter and the frequency response work great
  • The level control feature allows to adjust bass level easily

Cons

    • Goes into protected mode is the bass is too high
  • Fuses tend to blow out after a few months of use

Who Should Buy It?

Like all other Boss amps mentioned in this list of the best car amplifiers, the R3400D can be classified as an entry-level amplifier and is most suited for beginners.

Check Price at Amazon

Best Car Amplifiers: Editor’s Top 3 Picks Comparison Chart

alpine f300
Alpine MRV-F300 4-Channel Car Amplifier, 50 Watts RMS x 4
Check Price
BOSS R1100M
BOSS R1100M 1100W Mono Car Audio Amplifier Amp
Check Price
ignite d4000w
Ignite Audio Mono Block Class D Car Amplifier 4000 Watts Peak Power
Check Price
Customer Rating
4.44.4 / 5
4.14.1 / 5
4.34.3 / 5
PriceAlpine MRV-F300 priceBOSS R1100M priceignite d4000w price
Pros- 4 Channels
- Maximum power of 50W
- Class D amplifier
- Have 1 Channel
- Maximum power of 1100W
- Class A/B Amplifier
- High and Low level input
- Adjustable low-pass crossover.
- Have 1 Channel
- Maximum power of 4000W
- Class D amplifier
- Low-level input
Cons- Heats up quite a lot
- Doesn't last for long
- Remote isn't functional
- The instructions could be clearer
- Doesn't come with a factory bass knob
- Since it is a monoblock, it cannot be bridged
Bottom LineThe amplifier is quite well-designed. It produces high-quality sound and makes music more enjoyable.
The amplifier is easy to install too. Plus, the advanced technology makes the amplifier user-friendly.
The amplifier takes your sound system to a whole new level.
The Mosfet power supply also works exceptionally well.
With just a simple wired remote subwoofer, you can adjust the bass to your liking.
With this car amplifier, you can also enjoy increased efficiency and better sound quality. Plus, there is hardly any voice distortion with this unit.

FAQs

What is the purpose of the car amplifier?

A car amplifier boosts the electrical signals which improve the power of your speakers and subwoofers. Thus, with an amplifier, you can enjoy a high-quality sound from your car’s speakers.

How do you test a car amplifier with a multimeter?

With a multimeter, you can determine the power your amp can generate. Just connect the multimeter to the amplifier channels and read the multimeter’s outcome.

How do you connect the car amplifiers to your speakers?

Car audio amplifiers come with a guide that shows all the steps to connect the amp to the speakers.

What are mono-amplifiers used for?

Mono-amplifiers are used with subwoofers. They can work with a large range of impedances and come with filters and tone control.

What is a high current amplifier?

If an amplifier is capable of handling low impedance loads, it is considered as a high current amplifier.

Best Car Amplifier Buying Guide

Basically, there are five factors to ensure you buy the best car amplifier.

Size

Car audio amplifiers are available in different sizes. Therefore, the right size depends on the sound quality you want.

Price

Don’t buy the first amplifier you find cheap. Check the review and see if it meets your requirement, needs, and budget.

Number of channels

This depends on the number of speakers in your car. For a single speaker, you will need one channel. Similarly, a two-channel amplifier can power up to woofers and two coaxial speakers.

Power

The power you need from your amplifier also depends on your car’s speakers. Make sure you don’t underpower the speakers. Instead, purchase such a car amplifier that can power the car speakers. If you’re using the built-in speakers, you might need to get the RMS value that’ll help you buy the best car amplifier.

Design

Different companies have differently-designed speakers. Thus, you must pick an amp that fits in your preferred location in the car.

Read more: Best Car Speakers Review and Comparison