Best Subwoofer Amplifier for Car

If you’re an avid music lover and want to enhance the audio experience in your car, then a subwoofer amplifier is an essential component to consider. A subwoofer amplifier helps to amplify the low-frequency sound waves produced by a subwoofer, which ultimately leads to a more powerful and immersive listening experience.

But with so many options available on the market, it can be overwhelming to determine which subwoofer amplifier is the best fit for your vehicle. That’s why we researched, tested, and we used a variety of subwoofer amplifiers to bring you our top picks for the best subwoofer amplifier for your car.

Best Subwoofer Amplifier for Car 

Best Overall: Rockford Fosgate R500X1D Prime Amplifier

Runner Up: Kicker 46CXA8001 Car Audio Class D Amp

Best Value for your Money: Rockford Fosgate P300-10 Subwoofer Amplifier

Best Lightweight: BOSS R1100M Car Audio Subwoofer Amplifier

Best Power Output: Skar Audio SKv2-3500.1D Subwoofer Amplifier

Most Durable: Rockville dB14 4000w Peak Car Audio Amplifier

Best Budget: Skar Audio RP-1200.1D Amplifier

Most Versatile: Taramp’s HD 3000 2 Ohms Class D Amplifier

1. Rockford Fosgate R500X1D Prime Amplifier- Best Overall

Key features

Resolutions: ‎8.5 x 6.7 x 1.9 inches

Weight: 6 pounds

Output power: 500W


Voltage: 12 volts

The Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier is a high-performance amplifier that delivers powerful and dynamic bass. With a maximum power output of 500 watts at 2 ohms, this amplifier is capable of driving a subwoofer with ease, providing an immersive and thundering audio experience.

This amplifier is designed using efficient Class-D circuit topology and has onboard Punch Bass and remote Punch Level Control for fine-tuning the bass frequencies. The low-pass filter and Rockford Fosgate’s famous Punch boost allow you to get the best possible bass from the subwoofer and enclosure in your vehicle. The phase switch ensures that the subs are firing in sync with the other speakers for maximum impact. The speaker-level inputs also make it easy to connect this amp to almost any system, even a factory stereo.

Other features of the R500X1D include Remote PLC (Punch Level Control),  Real-time output, and power supply thermal sensing, Cast aluminum heatsink, 4 gauge power/ground connectors, MOSFET power supply, Over-current protection, Short-circuit protection, Muted turn-on. With the Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier, you can expect a powerful and high-quality bass that will elevate your music listening experience.

  • High power output of 500 watts RMS at 2 ohms
  • On-board bass control
  • Phase switch for syncing with other speakers
  • Durable cast aluminum heatsink
  • Over-current and short-circuit protection
  • Options to suit any system’s requirements

  • 75A alternator is suggested for use

Why Buy:

The Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier provides high power output, precision bass tuning options, easy integration with any system, durable cast aluminum heatsink and safety features making it an excellent choice for a powerful and customizable subwoofer amplifier for cars.

2. Kicker 46CXA8001 Car Audio Class D Amp- Runner Up

Key features

Resolutions: 12 x 9 x 4 inches

Weight: 5.05 pounds

Output power: 1600W


Voltage: 8 volts

The Kicker 46CXA8001 Car Audio 1600W Peak Subwoofer Amplifier is an advanced and powerful music enhancement system that can be easily installed in nearly any vehicle on the road today. With its advanced amplifier technology, this product provides clean, powerful music without requiring you to change your radio or add a line-out converter. The amplifier works with as little as nine volts of power from your battery and as much as 40 volts (400 watts) of a speaker-level input signal, making it an ideal choice for a wide range of vehicles and audio setups.

One of the key features of this product is KICKER’s FIT+ (Fail-safe Integration Technology-PLUS) which provides outstanding noise rejection, even with premium factory audio systems. This makes it easy to achieve a high-quality audio experience without any interference or distortion.

In addition, these amplifiers are stable down to one Ohm, giving you the freedom to put even more subs in your system, making it perfect for those who are looking for a bigger and more flexible system. It is built to withstand the rigors of daily use and is designed to provide true reliability. If you want to enhance your music experience and give your ride a powerful audio boost, then Kicker 46CXA8001 Car Subwoofer Amplifier is the perfect solution.

  • High power output of 1600W peak
  • Class D amplification for efficiency
  • Compact size
  • Mono channel design optimized for subwoofers
  • Not a 2-channel or multi-channel amplifier

Why Buy:

Kicker 46CXA8001 is ideal for those looking for a powerful, compact, and efficient amplifier to drive their car subwoofers, with high 1600W peak power output, Class D design, and mono channel optimization for deep and powerful bass.

3. Rockford Fosgate P300-10 Subwoofer Amplifier- Best Value For The Money

Key features

Resolutions: 19.5 x 12 x 15.3 inches

Weight: 23.8 pounds

Output power: 300W

Voltage: 8 volts

Size: 10-inch

Connectivity Technology: RCA

The Rockford Fosgate P300-10 Amplified Subwoofer is the perfect solution for anyone looking to add powerful bass to their car audio system. This all-in-one unit features a Punch 10-inch subwoofer in a custom-sealed enclosure that is powered by a mighty 300-watt amplifier. The system is incredibly easy to install, as all you need to do is run power, ground, and a signal from the source to get it moving.

The P300-10 is compact and easy to fit in most vehicles. The subwoofer is also very versatile with its feature of adjustable 12db/Octave low pass crossover and a built-in adjustable bass EQ It also includes a remote bass level control that allows you to easily adjust the bass level from the comfort of your seat.

The closed-loop design of the P300-10 ensures optimal performance between the woofer, amplifier, and enclosure. The subwoofer can be easily integrated into an aftermarket or OEM audio systems using RCA or speaker-level signals, which gives you multiple installation options to choose from. 

  • All-in-one solution, easy to install
  • Adjustable crossover, EQ, and phase switch
  • Remote bass level control
  • Closed-loop design for optimal performance
  • Can be integrated into aftermarket or OEM audio systems
  • Only one subwoofer included

Why Buy:

The P300-10 offers an all-in-one solution, easy installation, versatile features, and a closed-loop design for optimal performance, and is perfect for car audio enthusiasts.

4. BOSS R1100M Car Audio Subwoofer Amplifier- Best Lightweight

Key features

Resolutions: 9.13 x 10.44 x 2.25 inches

Weight: 4.4 pounds

Output power: 1100W


Special features: Radio

The BOSS Audio Systems R1100M  Car Audio Subwoofer Amplifier is a high-output amplifier designed for car audio systems. With a power output of 1100 watts at 2 ohms, it can drive even the most demanding subwoofers. It utilizes a Class A/B topology, which combines the efficiency of Class A amplifiers with the power of Class B amplifiers. This results in minimal current flowing through the output transistors with no audio signal, while still providing ample power when needed.

 The Mosfet power supply ensures precise control of the output voltage and current while eliminating the need for additional feedback circuitry. The amplifier is also equipped with both low and high-level inputs, allowing for flexibility in connecting to your car’s audio system.

 The variable low-pass crossover and switchable bass boost allow for customizing the bass frequency reproduction to your liking, and the variable input gain control allows for adjusting the amount of signal from your receiver to the amplifier. Overall it’s a powerful, versatile, and high-quality amplifier that’s perfect for any car audio enthusiast.

  • Powerful, clear sound output
  • The high output power of 1100 watts at 2 ohms
  • Class A/B topology for efficient power delivery
  • Mosfet power supply for accurate regulation of voltage and current
  • Variable low-pass crossover and bass boost
  • Reviewers claim to have received weak products

Why Buy:

High output power, precise control, versatile inputs, customizable bass frequencies, and variable input gain, make R1100M a great option for a high-quality car audio subwoofer amplifier.

5. Skar Audio SKv2-3500.1D Subwoofer Amplifier- Best Power Output

Key features

Resolutions: 21.26 x 9.15 x 2.45 inches

Weight: 20.44 pounds

Output power: 4700W


Voltage: 14.4 volts

The Skar Audio SKv2-3500.1D Subwoofer Amplifier is a high-performance and high-power amplifier for car audio systems. It is capable of producing more than 4700 watts at peak power output, which makes it suitable for those looking for the absolute best amplifier to power their car audio system.

The amplifier comes with an advanced heatsink design that allows for maximum cooling and 4-way protection circuitry, enabling the amplifier to operate efficiently at peak output levels for hours on end. The user control panel includes variable adjustments for gain level, subsonic filter, bass boost, low-pass filter, and phase control, giving you full control over your amplifier. The ability to run them strapped allows for versatility in power output. It also has both RCA inputs and outputs for easy daisy chaining of multiple amplifiers and utilizes massive 1/0-gauge power and ground input terminals for maximum current flow.

Additionally, the amplifier comes with a remote subwoofer level control (bass knob) that allows the user to have full control over their bass from the front of the vehicle. Overall, the Skar Audio SKv2-3500.1D is a powerful and versatile amplifier that is perfect for car audio enthusiasts who demand the best performance and power output.

  • High power output (4700W max)
  • Class D MOSFET design for efficiency
  • Monoblock configuration for dedicated bass amplification
  • Competition grade performance
  • High power output may require a large power supply to run it

Why Buy:

To achieve high-powered and efficient bass amplification for competition-level sound, the Skar Audio SKv2-3500.1D Subwoofer Amplifier is the best choice.

6. Rockville dB14 4000w Peak Car Audio Amplifier- Most Durable

Key features

Resolutions: 15.5 x 9 x 2.4 inches

Weight: 9 pounds

Output power: 4000W


Voltage: 16 volts

The Rockville dB14 is a high-powered car audio amplifier with a peak power output of 4000 watts when operating at 2 ohms. It also features a 4-ohm power output of 2400 watts peak. The amplifier is equipped with a high-speed MOSFET power supply and an optical coupler Class “D” technology for efficient power management. It also includes a fully adjustable 12dB/octave crossover with differential circuitry and a low pass filter with a range of 50Hz-250Hz, as well as a subsonic filter that ranges from 15Hz-55Hz.

Additionally, the Rockville dB14 features a phase control switch, a full IC-controlled protection circuitry, and a remote dashboard subwoofer control. It also includes a fully adjustable 12dB bass equalizer, a mute and delays soft start system, and an RCA preamp line output. The 8-volt preamp circuitry and a status mode LED indicator ensure that the user has full control and insight into the amplifier’s performance. The amplifier also comes with under and over-voltage protection.

  • Dyno-certified power output
  • High-speed MOSFET power supply and optical coupler
  • Class “D” technology
  • Fully adjustable crossover and filters
  • Remote dashboard subwoofer control
  • Multiple protection circuits
  • Lower RMS power output at 4 ohms
  • Only 1 channel

Why Buy:

The Rockville dB14 amplifier offers high power output (4000w peak/1000w RMS) and a stable 2-ohm impedance, making it suitable for driving large car audio systems.

7. Skar Audio RP-1200.1D Amplifier- Best Budget

Key features

Resolutions: 16 x 6 x 2.5 inches

Weight: 7.2 pounds

Output power: 1600W


Voltage: 8.5-14.4 volts

The Skar Audio RP-1200.1D is a monoblock Class D MOSFET amplifier that is designed to be powerful and reliable. It is 1-ohm stable and features a high-speed MOSFET power supply and advanced PCB board layout. It is rated at 1,200 watts RMS power at a 1-ohm load and has the capability of reaching beyond 1,600 watts at max power output.

 This amplifier is ideal for powering a pair of 600-watt RMS subwoofers or a single 1,200-watt RMS subwoofer. It also features oversized 4-gauge power and ground terminals for maximum current flow and efficient operation. The built-in user control panel provides full control over the amplifier, including a bass EQ switch (0, +6, +12dB), and variable adjustment tunings for gain level, low-pass filter, and a subsonic filter.

 Furthermore, the 4-way protection circuitry protects against damage from electrical shortage, overheating, low voltage, and more. The RP-1200.1D also includes a remote subwoofer level control for easy adjustment of bass levels from the front of the vehicle.

  • High-quality and affordable
  • 1-ohm stable
  • Built-in user control panel
  • 4-way protection
  • Remote subwoofer level control
  • Some users reported unexpected failure

Why Buy:

The Skar Audio RP-1200.1D is a powerful and reliable monoblock Class D MOSFET amplifier with a high power output capability, advanced PCB board layout, and built-in control panel with various tuning options, also it has 4-way protection circuitry and remote subwoofer level control.

8. Taramp’s HD 3000 2 Ohms Class D Amplifier- Most Versatile

Key features

Resolutions: 5 x 5 x 5 inches

Weight: 4.95 pounds

Output power: 3000W

Impedance: 2Ω

Voltage: 12.6 volts

The Taramp’s HD 3000  Mono Amplifier s a powerful and versatile amplifier that offers a high power output, a built-in crossover, and a variety of protection features, making it a great option for car audio enthusiasts looking for a high-performance and reliable amplifier. 

These amplifiers are power-hungry and it’s essential to run 0 Gauge power to prevent starving the amp. Taramps amps are an excellent choice for providing tons of bass when you have an upgraded electrical system. It is recommended to upgrade wiring throughout the system and may need a second battery or upgraded charging system to get the most out of the amplifier.

The HD-3000 features a built-in crossover, which allows for adjustment of the bass and treble frequencies, as well as a switchable low-pass filter, which allows you to fine-tune the bass to your liking. Additionally, it also has a remote level control that gives you the ability to adjust the bass level from the driver’s seat.

It also has protection against short circuits, thermal, and overvoltage, which ensures the longevity of your amplifier. The amplifier also comes with a Bass Boost, which can be adjusted from 0 to +18dB, and it also has a variable low-pass filter, which allows you to select the cutoff frequency that you want, giving you full control over the sound.

  • Fantastic power in a compact design
  • 2-ohm stable
  • Built-in crossover and low-pass filter
  • Remote level control
  • Protection against short circuit, thermal, and overvoltage
  • Requires upgraded electrical system

Why Buy:

Taramp’s HD 3000 2 Ohms Class D Full Range Mono Amplifier is a powerful and versatile amplifier with high power output, built-in crossover, remote level control, protection features, and variable low-pass filter, ideal for car audio enthusiasts looking for a high-performance and reliable amplifier.

Buying Guide For Beginners:

It’s good to research before you buy something. You can find information about the product you’re interested in, which will help you make an informed decision. Doing your research can help you prevent needless frustration. This will prevent you from buying something that won’t work.

There are some key factors to consider when choosing the best subwoofer amplifier for car. These are:


 First and foremost, you’ll want to consider the power output of the amplifier. Make sure that the amplifier is capable of delivering sufficient power to your subwoofer, as this will ensure that it performs at its best.


Next, consider the size of the amplifier and how it will fit in your vehicle. If you have limited space in your car, then you’ll want to opt for a compact amplifier that won’t take up too much room. On the other hand, if you have more space to work with, then you can opt for a larger amplifier that may offer more power and features.


It’s also important to consider the connectivity options of the amplifier. Modern amplifiers offer various inputs and outputs for connecting subwoofers and other audio components. Bluetooth connectivity allows for easy streaming from phones or other devices.


Finally, consider the price of the amplifier and whether it fits within your budget. While it’s important to invest in a quality amplifier, there are plenty of options available at a variety of price points, so you should be able to find something that works for you.


 In this article, we have compiled a list of the best subwoofer amplifier for car, complete with detailed reviews for each one. All of these amplifiers have received high praise for their exceptional sound quality and bass performance. Ultimately, the best choice for you will depend on your personal preferences and your vehicle’s specific needs. In addition, it is also important to ensure that the amplifier is compatible with your specific subwoofer and car audio system.

We hope our reviews will give you a good idea of what each subwoofer amplifier offers and help you make an informed decision. Thanks


Q:1 How to choose amplifier for car subwoofer?

To choose an amplifier for a car subwoofer, consider the power output and impedance matching of the amplifier to ensure compatibility with your subwoofer, research and read reviews, and ensure that the amplifier is compatible with your specific subwoofer and car audio system.

Q:2 How many watts is best for bass?

The wattage required for a bass amplifier can vary depending on the specific setup and desired sound level. Generally, a minimum of 100 watts RMS is recommended for most bass applications. However, for louder and more powerful setups, higher wattage such as 500 watts RMS or more may be required. It’s always recommended to consult with the manufacturer of the subwoofer and the available space in the vehicle, before making a decision.

Q:3 What amp is best for subwoofers?

The best amplifier for subwoofers will depend on your specific needs and budget. Some popular options include the Rockford Fosgate R500X1D Prime, the kicker 46CXA8001 Car Audio 1600W Peak Subwoofer Amplifier, the BOSS Audio Systems R1100M, and the Skar Audio SKv2-3500.1D Subwoofer Amplifier. It is important to consider the power output and impedance matching of the amplifier to ensure compatibility with your subwoofer.






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