Read on to learn more about our favorite class D car amp.
Our Editor’s Best Class D Car Amps For Under 300 Reviews
Skar Audio RP-1200.1D Monoblock Class D MOSFET Amplifier with Remote Subwoofer Level Control, 1200W

Key Features:
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This is a class D monoblock power amplifier that is designed for use with cars. It is affordable, at under $300, and it is powerful, making it great for shoppers who are looking for a good value.
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This class d car amp is powerful, with a peak power of 1,600 watts and an RMS power of 1,200 watts. It’s perfect for a shopper who wants a great deal on a powerful amp.
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The class D car amps for under 300 shopper is a frequency response device that is used to measure the sound output of a car audio system. It has an on-board bass EQ switch that allows the user to boost the sound output by either 6 or 12 decibels at 45 hertz. This product is designed for use with car audio systems that have a maximum output of 250 watts.
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This product is a car amp that is designed to be installed under the seat of a car. It is made to provide maximum current flow and has 4-way protection circuitry to prevent any damage to the car. It also has 4 gauge power and ground input terminals to make sure that the current flow is not interrupted.
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This class D car amp is great for anyone looking to get great sound quality without breaking the bank. It is stable at 1 ohm and comes with a remote subwoofer level control, making it easy to get the perfect sound for your car.
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This class of car amps is designed for maximum reliability and performance. The highly efficient heatsink design allows for better heat dissipation, which improves the overall stability of the device.
Audio Legion AL700.1D 700-Watt Monoblock Class D Car Amplifier – Powerful Class D Car Amp

Key Features:
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This class of car amps is designed to produce a continuous power output at 14.4 volts. This is ideal for shoppers who are looking for an amp that can provide a powerful and consistent sound.
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This class of car amps is designed for shoppers who are looking for a low pass frequency crossover of 40Hz~250Hz.
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This car amp is designed to filter out low frequency sounds, specifically those between 10 and 30 Hz. This is ideal for a shopper who wants to improve the sound quality of their car stereo without spending a lot of money.
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This class d car amp has a frequency response of 10Hz to 350Hz, with an accuracy of +/- 1dB. This makes it a great choice for shoppers looking for an affordable car amp that delivers great sound quality.
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This class d car amp is 86% efficient when operating at 4 Ohms and 100Hz. This means that it will produce less heat than other car amps operating at the same conditions, making it ideal for use in a car. It is also relatively affordable, making it a good choice for shoppers on a budget.
ORION Cobalt CBT-2000.1D Amplifier 1 OHM Monoblock Class D 2000 Watts max Music Power car Audio amp

Key Features:
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The Orion High Performance Car Audio class d car amps are designed for shoppers who want high-quality sound without spending a lot of money. These amps offer great sound quality and are very affordable.
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This is a 1-channel monoblock amplifier that is Class D. It is designed for shoppers who are looking for an amplifier that is under 300 dollars.
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This is a class D car amp that is rated at 600 watts of power output. It is designed to work with 1 ohm impedance speakers and has a voltage rating of 14.4 volts.
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This class D car amp is designed for use with subwoofers and can produce frequencies between 10Hz and 250Hz. It has a frequency response of -3dB, meaning that it can reproduce frequencies within this range with relatively accurate sound.
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This class d car amp is peak power is 2000 watts and is under 300 dollars. This is a great amp for anyone looking to improve their car audio system on a budget.
Hifonics ZTH-1425.4D Zeus Theta Compact Full Range 4 Channel Car Audio Amplifier (Silver) – Class D Amp, 1400-Watt, Onboard Electronic Crossover, Built-in Bass Control, Bridgeable

Key Features:
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The Class D Amplifier is a mono amplifier that is built for driving subwoofers and subwoofer systems. It is designed to have a small footprint while still delivering big power. This amplifier is known for its high efficiency and sound quality.
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This class D car amp is bridgeable and can run in four channel or bridged mono mode, making it a versatile and powerful option for a shopper looking to get the most out of their car audio system. It is also affordably priced, making it a great value for the money.
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This class D car amp is designed for powerful sound and features a PWM MOSFET power supply for stability and an old school Hifonics aluminum heat sink for superior heat dissipation.
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The class d car amps for under 300 is a great product for shoppers who are looking for a great way to control their audio. The amplifier output is controlled with an onboard electronic crossover, which allows shoppers to tailor specific frequencies to their speakers and subwoofers. The LED system protection also allows shoppers to monitor overload and speaker shortages with illuminated indicators.
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The class d car amps for under 300 for a shopper is a high quality product that provides secure connections for all power, ground, and speaker connections. The terminals are angled for ease of access and the design creates a clean wire management profile.
Planet Audio TR3000.1D Class D Car Amplifier – 3000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply, Great for Subwoofers

Key Features:
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This class d car amp is powerful, efficient, and versatile. It can produce up to 3000 watts of power and can be bridged to create even more power. It is also stable at low ohm loads, making it ideal for use with subwoofers.
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This is a class D car amplifier that is designed to be used with a MOSFET power supply. This amplifier is designed to be used with a subwoofer and can deliver up to 300 watts of power. This amplifier is also designed to be used with a factory radio or an aftermarket radio.
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This class d car amp is designed for use with low-level inputs, such as RCA pre-amp outputs. It is intended to be used with a subwoofer and can provide up to 300 watts of power.
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This class d car amp is designed for shoppers who are looking for an amp that is affordable and has a variety of features that allow for a custom sound. The amp has a low pass crossover that can be adjusted to the shopper’s preference, a bass boost that can also be adjusted, and a subsonic filter. The phase control is switchable, so the shopper can choose how they want the sound to be.
CT Sounds CT-400.1D Compact Class D Car Audio Monoblock Amplifier, 400 Watts RMS

Key Features:
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This class d car amp is a great choice for shoppers who want a powerful amplifier without spending a lot of money. This amp has 400 watts of RMS power, which is more than enough to power most car audio systems. The frequency response is also excellent, with a range of 0 to 320 Hz. This amp also comes with a bass knob, which allows you to adjust the bass level to your liking.
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This is a mono amplifier that is small and easy to install in any vehicle. It is 400 watts and can pounding sound.
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This car amp is designed to be very efficient, so that it doesn’t drain your car’s battery too much. It’s also a monoblock amplifier, so it can power a single subwoofer.
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This class d car amp is designed for use with subwoofers and features a MOSFET pulse width modulated power supply for cool, efficient operation. The proprietary heat dissipation design ensures that the amplifier runs cool even during extended use.
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The class d car amps for under 300 for a shopper is a 4-way protection circuitry that features high voltage, low voltage, over current, and high-temperature protection.
Audiobank P6001 Monoblock 6000 WATTS Amp Class D 1OHM Car Audio Stereo Amplifier with Remote Turn On/Off Circuit/Heavy-Duty Aluminium Alloy Heatsink Power and Protection Indicator

Key Features:
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This class D car amp is designed for use with subwoofers and can operate at 1 ohm without issue. Additionally, it has a soft turn on circuit to help prolong the life of your car’s electrical system.
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This class d car amp is designed to protect your speakers from damage caused by thermal or short circuits.
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This car amp is made from a heavy-duty aluminum alloy and has a class A-B operation, meaning it is designed for use with audio systems that have speakers with a low impedance (4 or 6 ohms). It is also equipped with a heatsink to help keep the unit cool during use.
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This class d car amp has a remote turn-on / turn-off circuit that allows the shopper to control the amp from a distance. This is a great feature for those who want to be able to control their car audio system from outside the car.
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This class of car amp is for those shoppers who are looking for an amp that has LED power and protection indicators. This is a feature that helps to ensure that your amp is working properly and is protected from any potential damage.
BOSS Audio Systems PD3000 Class D Car Amplifier – 3000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply, Great for Subwoofers

Key Features:
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This class D car amp is capable of 3000 watts max when driving a 1-ohm load, 1500 watts max when driving a 2-ohm load, and 750 watts max when driving a 4-ohm load. This makes it a great choice for anyone looking for an amp that can produce plenty of power without breaking the bank.
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This class of car amplifier is designed to be highly efficient, reducing power loss and storing excess energy until it is needed. The compact circuitry and smaller size/weight make it a good choice for shoppers looking for an affordable amplifier.
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This class d car amp is designed to be used with vehicles that have a 12 volt power supply. It is a mosfet power supply, which means that it can control the output voltage and current precisely. It is also designed to eliminate all secondary feedback circuitry.
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This class D car amp is able to power loads of 1 Ohm without overheating, making it ideal for powering subwoofers. It is 1 Ohm stable and has a continuous power output, meaning it can handle heavy loads without struggling.
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This class D car amp is capable of delivering up to 300 watts of power to your subwoofer(s). It is also able to strap two PD3000 amplifiers together, effectively doubling the amount of power that is being sent to your subwoofers. This allows you to connect more subwoofers and take advantage of the extra power that is available.
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This class d car amp is designed to prevent your subwoofer from bottoming out by filtering out frequencies below the subwoofer’s specified low frequency limits. This allows the driver to reach a maximum safe excursion.
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This class of car amps is designed to produce sound specifically in the low-range frequencies, making it ideal for subwoofers. You can use the amp to fine-tune the bass frequency reproduction to get the exact sound you want.
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This class d car amp is 13” x 10.31” x 2.25” and weighs 10.04 lbs. It is designed for shoppers who are looking for an amp that is under 300.
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The BOSS Audio Systems car amps for under 300 come with a powerful 6 year Platinum Online Dealer Warranty, as long as the purchase is made through Amazon.Com. Professional installation of this product is strongly encouraged to ensure proper and safe functionality.
Power Acoustik OD1-5000D Overdrive Series 5000 Watts Max 1 Ohm Mosfet Power Supply Class D Car Audio Monoblock Amplifier, Black

Key Features:
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This class d car amp is 1-ohm stable monoblock operation for MAX power. It is designed for use with subwoofers and can provide up to 3000 watts of power. It is also equipped with a bass boost control and a low pass filter.
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This class of car amps is designed to be used in pairs, providing twice the power output of a single amp. They are ideal for shoppers who want to upgrade their car audio system without spending a lot of money.
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This is a class D car amplifier that is designed for use with a shopper that is looking for an amp that is under 300. This particular amp is designed with a military-grade PCB and PWM MOSFET power supply.
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This class D car amp is designed to protect against circuit overloads, short circuits, and thermal damage.
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This car amp is designed for use with both high- and low-level inputs, as well as offering variable 12dB high- and low-pass crossovers and a 12dB bass boost to increase low octave harmonics. It also includes 4g power wire and 8g speaker wire outputs. The dimensions of the amp are 16.25 x 8.75 x 4 inches and it weighs 8.22 pounds.
Kicker 46CXA4001 CXA4001-400-Watt Mono Class D Subwoofer Amp

Key Features:
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The CX-Series Amplifiers are perfect for a shopper who wants a powerful car amplifier that is also reliable. These amplifiers offer a great combination of power and flexibility, making them a great choice for anyone who wants a high-quality car amplifier.
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This class d car amp is great for shoppers who want to get a quality product without spending a lot of money. With a variable 12dB crossover, KickEQ 6dB variable bass boost, and a 24dB subsonic filter, this amp gives you a lot of control over the sound of your car stereo.
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The KICKER CX Amplifiers are mono car amps that are stable down to one Ohm, meaning that you can put more subs in your system without worrying about damaging the amplifier. These amplifiers are also affordably priced at under $300, making them a great option for budget-conscious shoppers.
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This class of car amps is designed to be installed in a variety of locations, so the shopper can choose the look that they want. The amps are also affordably priced, making them a great option for budget-conscious shoppers.
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This class of car amps is designed to work with a relatively small amount of power, while still providing a significant boost to your audio system. They can be used with any size or type of speakers, and can be mounted in a variety of locations.
Class D Car Amps For Under 300 FAQs
1. What are the best class D car amps for under 300?
200?There are quite a few car amps that would be considered “best” for under $200. Some of our favorites include the Alpine MRV-M500, the JL Audio JX1000/1D and the Rockford Fosgate P400X4. All of these amps offer great power and sound quality, and can be had for under $200.
2. What are the features of a class D car amp?
A class D car amplifier is a high efficiency amplifier that uses digital technology to produce high quality sound. Class D amplifiers are typically smaller and lighter than other types of amplifiers, and they use less power, making them ideal for use in cars. Class D amplifiers also have low distortion levels and can reproduce very low frequencies, making them ideal for use with subwoofers.
3. How does a class D car amp work?
Class D amplifiers are more efficient than other amplifier classes because they switch on and off very quickly. This means that the power transistors are only on for a short amount of time and don’t get hot.
4. What are the benefits of using a class D car amp?
The benefits of using a class D car amp are that they are extremely efficient, so they don’t require a lot of power to operate. This means that they generate very little heat, which is ideal for use in a car. Additionally, they are very compact, so they don’t take up a lot of space.
5. What are the drawbacks of using a class D car amp?
There are a few drawbacks to using a class D car amplifier. One is that they tend to generate a lot of heat, so they require good cooling. Another is that they can be less efficient than other types of amplifiers. Finally, they can be more expensive than other types of amplifiers.
Conclusion
There are many great class d car amps for under 300 on the market. Our list of the best class d car amps for under 300 will help you save time researching and choosing the best one for you.