Home / Audio / Amplifiers / Best Car Amplifiers For Bass [Review & Buying Guide] 2023

Best Car Amplifiers For Bass [Review & Buying Guide] 2023


For drivers who love to drive, upgrading the car audio is just as exciting as buying the vehicle itself. The excitement of driving down the highway with your favorite song pumping on speakers can be a thrilling experience for everyone involved in this endeavor.

You trust your car implicitly, and you’ve poured all of yourself into it. You want to hear the music just as clearly as if you were in the front row at a live concert, so when that audio system starts to fail on low volumes or crackle with distortion, you’re ready for an upgrade.

It’s not just about how much you spend on an amplifier anymore; it is about finding the right one for your component speakers, subwoofers, and car stereo. You want a clean sound that isn’t too overpowering or bubbly.

Have you ever wondered what the best car amplifiers for bass are? Or, maybe you know that there is an specific amp that would be fantastic for your vehicle but don’t know which one it is. Well, we have found the best amplifiers for bass for you! When it comes to amplifiers, we’ve got you covered.

We have reviewed some of the best user-friendly and cost-effective amplifiers on the market, including Pioneer, Kenwood, Rockford Fosgate, JL Audio Amplifiers s and BOSS. They are also available in a variety of colors like black or white and come with multiple different watts for your vehicle’s requires.

What to look for when buying a car amplifier for bass?

When purchasing an amplifier, choose a model with “level input controller” as one of its features. Most amplifiers do not come with the wiring kit necessary to install your piece properly. Proper installation is equal to proper delivery!

The music genre that you listen to influences your choice of amplifiers. The more bass-heavy the sound, look for amps with enough power output to handle powerful speakers and subwoofers.

Lastly, finding the right product according to your requirements and not breaking the bank should be a priority. Setting a budget limit is an easy way to work towards this goal. However, there’s no need to spend top dollar. We have put together a few affordable options for you down below.

RMS power ratings

You want the bass to blend musically and be well-balanced with your system’s rest. The RMS is an acronym that stands for “root mean square.” The RMS number refers to the amount of power a particular subwoofer can handle continuously.

Do not exceed the RMS power ratings. Make sure to purchase an amplifier whose RMS output per channel is no higher than each woofer’s top RMS rating.

The peak power rating of an amplifier is the maximum amount of volts it can produce before breaking down. It is a measure of how much power they can withstand without getting broken and not working anymore.

The amp you decide to buy will have ratings for both, and the actual power output depends more on your subwoofer. You should also be mindful of what amplifier size is recommended by the manufacturer based on what woofer they recommend-often a particular brand or model.

High and Low pass filter control

A low pass filter is a signal-filtering device that allows for lower frequency signals to travel through more easily. It blocks lower frequencies and creates an simple passage for the less complicated higher ones.

This is great when you’re trying to suppress noise in sound production equipment or even muddy bass output without losing any clarity. It provides great bass control and does not alter the original signal.

High pass filters do exactly the opposite as a variable low pass filter. First off, they’re both filters, so their job description will be similar: block out unwanted noises by letting certain sounds slip past them instead of becoming blocked like other types of devices do.

You probably want as many high frequencies as possible on your speakers because they add definition and depth. However, sometimes you need to fade out some of these frequencies out, and that is where this filter comes into play.

Ohms rating (Impedance)

Let’s take a minute to explore speaker impedance. Speaker impedance is the resistance that an amplifier encounters when it tries to draw current from a speaker, and this can affect how much energy is being drawn at any given time.

“Impedance” is measured in “ohms,” and this is represented with the Omega symbol (Ω) for shorthand. The higher the frequency, the more resistance your speakers will have. Make sure that you are using a car amp with a high enough impedance to power both of these properly and not kill them when they’re in use together.

The maximum power output of an amplifier is dependent on the speaker’s impedance, which ranges from 4 ohms to 16 ohms. For every 2-ohm drop in a speaker’s load voltage (i.e., 8 or 6), you will get about double the power and current flowing through it.

Circuit protection

Adding a powerful amplifier also brings some other responsibilities to protect your battery and the car sound system as a whole. That’s where installing a circuit breaker reset fuse comes into the picture, which resets the power in case of a short-circuit event on your electric systems.

This tool is the final safety net for your car amp. It protects them from power surges, which can cause damage that may not be easily repaired or replaced. One of its key features is the kill switch-type button with an easy reset function to reestablish normal operation when needed.

For the safety of your electrical wires, this cost-effective piece is a must-have. Operation modes include overload disconnection or manual switch over for easy access to power on demand.

MOSFET power supply

The power supply is one of the most important parts of an amplifier. It regulates volts, and without it, your amp wouldn’t work at all! Without a functioning input tone or signal converter to provide sound waves into its system, there isn’t anything coming out – that’s why they’re so crucial in car audio systems.

A MOSFET is a specific type of metal-oxide-semiconductor field-effect transistor that can handle intense levels. Some people install amplifiers without MOSFETs because they are cheaper, but this leads to overprotective circuits tripping more often than not due to the heat produced by the oscillation.

Top 10 Best Car Amplifiers For Bass

RankingsNamePrice and More Details
Alpine PDXV9 Power Car Amps For BassClick Here
Rockford Fosgate Prime Amplifier For BassClick Here
Kenwood KAC9106D 2000W Monoblock Subwoofer AmpifierClick Here
Rockford Fosgate R500X1D Car Amps For Low-end Click Here
JL Audio XD600 Powerful Output Car Audio AmpClick Here

Before you buy an amplifier, you should consider the number of channels, the capacity, and other variables that can make or break your car audio (or battery).

1. Alpine PDXV9 5 Channel Power Car Amps for Bass

Alpine PDX-V9, 5-Channel Bass Amp

Alpine is a company that does more than just make speakers and subwoofers. They are the one-stop for all of your car audio needs, from sound processing to woofers themselves. When people talk about Alpine, they always bring up how great their products sound – it’s what sets them apart from other brands on the market!

The Alpine PDXV9 mono amplifier can push your whole sound to another level. Small in size, the PDXV9 brings a clean and powerful sound without having to sacrifice too much space. It’s been re-engineered for performance with 100 watts of RMS going out at once while blasting 500 watts RMS through all four speakers simultaneously or just one sub set up if you want!

This car amp is small enough to fit in the most niche spaces but powerful enough for all your needs! With an 8″ by 10″ footprint, you can always find a place to put it. The sleek design makes sure that this amplifier will maintain power output healthy and noise low so that fidelity remains high and control never falters.

You can now listen to the best sound quality with this amplifier because it helps reduce any distortion. Also, there are front-mounted controls that make after-installation adjustments easier than ever before, and their gold-plated RCA inputs will resist corrosion as well! One of the best car amplifiers in the entire car audio industry.

  • Good quality 500 Watts x 1 Channel at 2 or 4 ohms
  • Superb 3-way protection control system
  • PDX Technology for increased effectiveness
  • Pulse width modulated MOSFET power supply
  • Wired bass level remote control for decibel outputs
  • Higher priced than the competition

2. Rockford Fosgate R300X4 Prime Car Amplifier For Bass

Rockford Fosgate R300X4 Prime 4-Channel Amplifier

The Rockford Fosgate R300X4 4-channel car amplifier is versatile and will work with any stereo. Their heavy cast aluminum chassis efficiently dissipates heat, making the amplifier last long term without skipping a beat!

The R300X4 class A/B amp has a built-in sensor to track the output and power supply temperature. It is great for powering front channels with component speakers due to its cost-effective price point but also offers a clean music output by bridging/mono 10″ or 12″.

One of the best features is its ability to deliver balance and accuracy without overheating, which makes it good for those who live in a relatively enclosed space. It has excellent fidelity and even drive woofers with 50 watts RMS each!

The R300X4 was designed for bass sounds. A 2-channel mode lets you put some decent power behind your subs, and 150 watts for each sub is more than enough if that’s what you’re looking for. If not, just go back to 4 channels and connect all of your speakers through this amp! It’s like having multiple amplifiers in just one place.

  • Medium power at 75 Watts x 4 @ 2-Ohms
  • Soft start at 150 Watts x 2 @ 4-Ohm Bridged
  • Switchable bass boost control
  • Include new MOSFET power supply
  • It is not considered a class d amp

3. Kenwood KAC9106D 2000W Monoblock Subwoofer Amp For Bass

Kenwood KAC9106D 2000W Monoblock Amplifiers

Kenwood car amplifiers are known to provide the best quality of sound and bass boost. The KAC-9106D amplifier is CEA-2006 compliant, offers up 1,000 watts RMS power for your subwoofer with superior audio performance at an affordable price!

When you power your car’s subwoofers with a KAC-9106D amplifier from Kenwood, all of those deep and rich tones will come out in full clarity for the best listening experience possible. If you’re driving around town, you’ll notice every little nuance.

You can feel the hard boom of the kick and also the sweep of an 808 bass, but did you know that these speakers have onboard low-pass and subsonic filters? These allow you to adjust your signal to get a high power output from your subs when combined with these class D amps.

The Kenwood KAC-9106D is a versatile amplifier that features speaker level inputs and signals sensoring turn-on able to work in any radio. The aluminum cover plate provides protection for the connections as well as giving it an appealing look with its sleek design.

  • Max power output: 1000 watts at 2 ohms
  • Class D amplifier with mono channel operation
  • Adjustable low-pass filter (50-200 Hz, 24 dB/octave)
  • Unique subsonic filter (24 dB at 20 Hz)
  • No remote bass control

4. Rockford Fosgate R500X1D Car Amplifiers For Bass

Rockford Fosgate R500X1D Car Amplifiers For Bass

Rockford Fosgate has some of the best components for car amplifiers. They offer real-time output, power supply thermal sensing, and a cast aluminum heatsink to prevent overheating that will last hardcore users all day long!

The R500X1D is a quality-made Mono Class D car amplifier rated at 500 Watt x 1 Channel @ 2 Ohms. It features a MOSFET power supply and has high-level inputs as well as an innovative phase switch that can be used to change your speaker’s sound from being top or bottom-heavy in order to match the music you are playing!

This class D amplifier is a superb way to begin if you want an excellent sound for your car. The R500X1D includes onboard punchy bass and remote control of the volume level in such a small package, which can be used with amps that run on 2-Ohms while being capable to drive subwoofers between 300 Watts and 500 Watts RMS power!

You can now unleash your car’s bass with this amp from Rockford Fosgate. This unit includes a bass boost that will make the “boom” in music feel like an earthquake. The speaker-level inputs are great for connecting it to most systems, even if you’re using factory speakers or other brands of amplifiers on them as well!

  • Onboard 12dB/octave LP/HP/AP crossover & Infrasonic filter
  • Real-time output and power supply sensing
  • On-board EQ with +17dB boost @ 44Hz
  • Cast aluminum heatsink with stealth control panel
  • Low volume level compared to others

5. JL Audio XD600 Powerful Output Compact Amplifier

JL Audio XD600 Car Audio Amplifiers

This JL Audio XD600 class D amp is one of their newest products, and it has the NextD™ technology that made its debut in the original XDs. This stellar tech makes for exceptional audio quality, unparalleled efficiency, and high power without taking up too much space. True high-quality amplifiers!

JL’s team upgraded this amplifier with more flexibility and integration capabilities in comparison to previous versions of the model. One of the conveniences is that it can be turned on automatically by sensing a signal or DC offset, making it easier for OEM integrators. It also accepts input signals from line-level all the way up to high power speaker level.

The new remote level circuit in the JL Audio XD600 brings a more linear behavior to deliver high power output and exceptional value. Compounding this is its tight, punchy sound that manages not to disturb your car’s stock electrical wiring or blow out speakers.

The brand new cast alloy heatsink and the advanced cooling system allows your amplifier to operate at optimal temperature, eliminating thermal shut-downs so that you can enjoy uninterrupted jams. The audio performance lets every note of your favorite songs ring clear and true with reliable power outputs!

  • Class D 6 amplifier channels with NextD™
  • Advanced rollback protection system
  • Differential-balanced inputs eliminate noise
  • Class D amplifier with low pass filters
  • Little more expensive
  • The remote control is wired

6. Rockford Fosgate Punch P1000X5 5 Channel Amplifier

Rockford Fosgate Punch P1000X5 Bass Amplifier

The Rockford Fosgate P1000X5 will perform for hours, meaning you can place it in the backseat and still have room to fit all those groceries. Plus, with exclusive subwoofer output, this little powerhouse has power to satisfy any bass-head’s needs.

Its technology allows its RCA inputs to accept high and low-level signals without a signal converter, which provides tri-stage protection against overloads, or overcurrents from heavy-duty speakers. It delivers excellent quality!

The amp is designed to be ultra-efficient. It allows the signal to travel through at a lower volts and has with 18dB boost @ 45Hz for punchy audio quality. CLEAN technology keeps your music playing clean by calibrating levels that eliminate audible noise!

Rockford Fosgate’s P1000X5 amplifier delivers subsonic filters to get the right sound from your subs. You can also use high end filters if you’re looking for a cleaner, more efficient sound. It is considered the best car amplifier by most experts.

The new Punch EQ2 includes treble and bass boosts to really get the party going. The amp uses a Dynamic Thermal Management, forcing air to dissipate heat evenly across the high-mass heatsink so it’s ready for anything you can throw at it!

  • 1000-Watt full-range 5-channel car amplifier
  • Level control ready for better power handling
  • MEHSA MOSFET cooling systems
  • Variable EQ2 bass/treble boost control
  • Flimsy connectors
  • No Bluetooth connectivity

7. BOSS Audio Systems PF1800 4 Channel Car Amplifier

BOSS Audio Systems PF1800 Car Amplifier for Bass

The BOSS Audio PF1800 amplifier will give you the best of both worlds with its ability to run full-range speakers and subwoofers. To start, this model can handle everything ranging from highs through lows because it’s a full-range amp.

Holds a class A/B topology that is the perfect solution for those looking to get more out of their overall sound. It holds a considerable amount of current flowing through its output transistors, along with the MOSFET power supply to control the output voltage and current precisely in order to eliminate all secondary feedback circuitry.

Its lightweight and durable design allow for hours of uninterrupted music. It has an overload speaker and short circuit protection to prevent your car amplifier from getting too hot as you hear the best tunes! The polished finish is easy on the eyes while easily blending in with any environment. With its variable bass boost control, this tool will meet all of your audio needs!

BOSS Audio PF1800 carries a switchable input sensitivity that provides adjustable control over the head unit’s input signal to achieve customized balance. Need more? The model has a variable low pass crossover and an optional high pass filter, giving you ultimate frequency control!

When you install this amplifier, it is essential to use the maximum gauge of wire that the power terminals will accommodate. There are a few things you’ll need to evaluate, such as what size amps your wiring can handle and how good quality wiring should be used for better bass response.

  • Full range amplifier to run speakers and subs
  • 1800 Watts max power, over 300 Watts @2-Ohms x 4 Max
  • Variable bass boost with all the power you need
  • Car amplifier that comes with MOSFET power supply
  • Thermal overload speaker and short circuit protection
  • The sound is not as clear as expected
  • No remote control included

8. Rockville dB15 6000 Watts Car Amplifier Bass Boost

Rockville dB15 6000 Watt Amp for Bass

The Rockville DB15 6000 Watt mono amplifiers are the perfect solution for your speakers needs. They have a peaking equalization circuit and an equalizer control so you can add up to 12dB of bass boost, customize your bass response, and emphasize every nuance in music.

This small casing amplifier is potent. Make sure your car speakers can handle the power output according to the Ohm ratings before you make any purchases for them because Rockville only uses accurate audio transistors in these amplifiers, specifically made with high-quality sound and little distortion on their mind.

The DB15 6000-watt model audio output sections of the Class D dB series amplifiers feature rugged, fast switching MOSFETs and power And protection circuitry so you can enjoy your playlists from A to Z.

This amp is armed with two red LEDs to display operating status and alerts you if it reaches an unsafe temperature of 80 degrees Celsius in order to turn off the car amplifier. This LED will let you know if your speaker’s short circuit is due to the voice coil burns out or the amplifier senses an impedance too low to handle.

  • Dashboard subwoofer control and bass remote
  • Power ratings come with less than 1 % distortion
  • Brand new high-speed MOSFET power supply
  • Optical coupler “class D amplifier” technology
  • 12dB / octave crossover with differential circuitry
  • Weights more than others
  • The price tag is too high for most customers

9. Pioneer GM-A6704 4 Channel Amp

Pioneer GM-A6704 Bass Amp

The GM-A6704 is the latest amplifier from Pioneer, which combines exceptional quality with a high power output to accommodate any kind of music. With four channels and an amazing range, this amp should be on your radar for that next car enthusiast!

The variable low pass filter allows for adjustable frequency, high-quality audio flexibility, and personal preference. Also, the GM-A5702 integrates superior performance in a space-efficient size that fits any car cabin to deliver that sound your looking for!

If you connect this amplifier to an OEM receiver, a speaker that doesn’t have RCA input, or speakers without bass output and use the amp’s line-level signal for power-up mode, then it automatically senses what type of connection is being used.

Additionally, this Pioneer GM-A6704 4-channel amplifier improves your vehicle’s power output and power up your front and rear speakers with 60 watts RMS each, which is far greater than the average car radio. Once you complete the installation, it will sense the detail in music as well as have a much better listening experience.

  • 4-channel bridgeable car amplifier with bass boost
  • Automatic signal sensing and turn-on
  • High pass filter for better control of your bass power
  • Bass boost feature for more power output
  • Harsh distortion at high decibels
  • No remote bass knob control

10. Planet Audio PL4000 Monoblock Car Amplifier

Planet Audio PL30001D Car Amplifier for Bass

Planet Audio is a leader in high-performance audio equipment and does not disappoint with its PL4000 monoblock amp. With 1ohm of minimum impedance, the amp can produce incredible power without compromising to another level or efficiency.

It is important to note that the Planet Audio PL4000 is a serious amplifier capable of delivering power at 1-ohm loads for those with large subwoofers. As it’s a class D amp, the high-speed switching and efficient technology will optimize your woofers.

This Planet Audio Class D amplifier is the future of sound. Despite being less powerful than other amps, it generates much more power and runs cooler thanks to its modern design.

One of the best features is the strapping capability. This powerful amplifier can be linked to another of the same type, doubling your power. This model is perfect for those who need superior stability and want a lot of intensity in its sound.

  • Features low-level inputs, RCA pre-amp outputs
  • This particular car amplifier is strapping capable
  • Remote subwoofer control for more power output
  • Variable subsonic filter and variable bass boost
  • Thermal overload speaker and short protection
  • It isn’t as powerful as other amps
  • It is a little pricey

Best Car Amplifier Buying Guide

Purchaing a car amplifier for bass should be enjoyable, but you need to follow these guidelines so that your amp can work best with the sound of your vehicle.

An amplifier is a vital component of any car stereo. It will bring excitement and much better quality to the speakers, making it powerful enough for even larger crowds! Amplifiers supply a significant increase in power to your speakers, which is why they work best when used in combination with a good single din head unit.

The problem with most car stereos is they can’t provide enough power, and instead of just enjoying some good music, you’ll be missing out on everything else because it will sound like crap! A new amplifier always sounds better than an old one anyway, so make sure you’re acquiring what works for your needs.

All amplifiers are not created equal, and the one for your car depends on your sound system as a whole. The amp is often chosen based on what speakers you have to ensure they get the proper power required for them to push out quality outputs.

Don’t forget that this extra hardware is going to require a truly professional installation, including dealing with battery terminals, power distribution hardware. You have to be careful about connecting cables and fuses in order for it all to work!

What are monoblock amplifiers?

The monoblock amps are of a single channel and usually feed subwoofers. They almost always have more power than multichannel amps and are generally “class D amplifiers” or “Mono Amp” also.

Manufacturers often add circuits to improve sound quality. Another benefit of the class D amplifier or mono amp is that most are high current; as impedance decreases, so does the power output.

Class D amps at 4 ohms can give 300 Watts of RMS power; at 2 ohms, it can provide 600 watts RMS, and 1 ohm can deliver up to 1,100 watts RMS power.


We hope that now you have learned the basics of amplifiers and how these can improve your upcoming car sound system’s audio quality. Now you can make a much more educated purchase depending on your specific needs.

Remember that price is not the ultimate goal. Look for an amplifier that fits your speakers, subwoofers, and make sure that you also have complimentary equipment, like a proper amp wiring kit and a capacitor, to withstand the power that will soon come out from your car.

You can now select any of the choices and prepare to turn some heads when you pass by. Remember that a class D amplifier is your best option. Now you can choose the best car amplifier for your needs.

Last Updated on: January 11, 2023

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