Top 7 Best Class D Amplifiers – Reviews and Buyer’s Guide

As a first timer, it’s indeed tricky to choose the best class D amplifier out there. After all, you may come across many high end brands in the market including – AIYIMA, AMPED America, Orchard audio, Fosi Audio and many more. Among all, we would highly recommend the Aiyima A07 Max & Fosi Audio BT20A Pro Bluetooth 5.0 Amplifier for their overall compact, elegant design and performance.

Class D Amplifiers have brought a new era of change in the world of music. Nowadays, they are in huge demand among music enthusiasts due to their lightweight, modern semiconductor system and classy performance. But are Class D amplifiers good enough?

In a word, yes! They are indeed the best choice. Firstly, it’s lightweight and its overall efficacy is around 95%. Thus, you won’t require excess power from the wall to even power up the most demanding loudspeakers. Moreover, you won’t face any heating issues either. Thus class D amps are way better than their predecessors.

Here we have picked the 7 best class D amplifiers which are highly compatible with your audiophile system. Besides, we have highlighted essential tips and guidelines to pick the right amp. So are you ready to start a new musical journey with your modern classic D amp right away?

Our Top Picks: Reason to Choose These Products

We have picked 7 products among Class D Amplifiers, with a brief explaining why we chose these products. Check in the below our top picks;

Top 7 Best Classes D Amplifiers: Choose The Best One For The Audio System Right Away!

A Class D amplifier is really a ‘Jackpot’. After all, its overall feel and audio quality and power is just incredible. In this segment, we have highlighted the 7 best class D amps in detail along with authentic customer reviews. So, don’t dilly and dive in!

AIYIMA A07 Classic D Amplifier

The brand, AIYIMA has brought a 2-channel dual function stereo amplifier. It’s a perfect match for your desktop, bookshelf or home theater system. Afterall, it’s super lightweight and compact.

Are you looking for a compact amp with an advanced heat dissipation system? If yes, you will definitely love the Aiyima max A07 amp. The side and bottom vents can significantly reduce heat loss without overheating.

The most attractive part of Aiyima A07 is – its unique bridge design. Just turn on the switch at the bottom panel of the amp. It can convert the 2-channel (300W+300W) stereo amp into a 600W mono amp. Moreover, it comes with a high power TPA3255 chipset which offers the best sound quality with minimum distortion. These amps can provide power upto 600W even at the impedance of 4 ohm. In fact, it is even compatible with 2 to 6 ohm speakers.

Specifications
Dimensions	(6.02 x 3.94 x 1.57) inches
Mounting Type	Passive Speaker
Voltage	48 V
Channels	2
Frequency Response	20 Hz to 20 KHz
S/N ratio	≥110 dB
THD	≤0.007%

Pros	Cons
● High quality sound.	● The bass is not sufficient.
● Efficient heat dissipation system.	● It doesn’t come with bluetooth support.
● It offers the best performance within budget.
● Impressive build quality.

Customer’s Point of View

Customers considered the AIYIMA A07 as the best class D amp for their impressive sound quality and performance. Their heat dissipation system is indeed the best within budget.

Fosi Audio BT20A Pro Bluetooth 5.0 Amplifier

Are you looking for a classic D amp with efficient bluetooth connectivity? If yes, Fosi Audio BT20A is indeed the amplifier you need. After all, it supports the bluetooth 5.0 technologies to connect with the smartphones, iPod’s, and tablets from greater distance. They have manufactured it with the Texas TPA3255 chipset which can provide maximum power output of 600W. This high grade chipset can boost the overall sound quality with SNR upto 108 dB with THD less than 0.005% it’s an efficient amp with specific treble and bass control. So you can enjoy an authentic audio quality without any added effects.

Specifications
Dimensions:	(5.59 x 4.21 x 0.16) inches.
Max DC Power Supply:	32 V.
Voltage:	48 Volts.
Max Power Output:	300×2 Watts.
Input:	Bluetooth & RCA
Output:	SPK & pre-out.
THD:	Less than 0.005%
SNR:	More than 108 db.

Pros	Cons
● It’s a compact amplifier with a premium feel.	● It doesn’t perform well with low impedance.
● Clear and crispy sound quality with minimum distortion.	● It heats up slightly with use.
● Customer support is very helpful.
● It’s a value for money amplifier.

Customer’s Point of View

Users have loved its overall feel and sound quality. They didn’t feel any significant distortion even at low impedance. In fact, the audio is really clear and crispy.

Skar Audio RP 1200.1D Monoblock Class D Amplifier

Skar audio class D amps are high power amps with maximum RMS power of 1200 watts. It can easily and stably function at 1 ohm with a bass boost of +6 to +12 db. This unit is sufficient enough to power 2 subs of 600 watt at once. Due to its modern heat sink design, you can expect superior reliability and performance. Most customers love it for its overall durability, power, sound quality and performance.

Specifications
Dimensions	(16 x 6 x 2.5) inches
Channels	1
Output	1600 W
Frequency Response	20 to 250 Hz
Protection Circuit	Available

Pros	Cons
● It is the best amplifier in budget.	● It might heat up slightly.
● It provides tons of power.
● This amp is really reliable.

Customer’s Point of View

Customers highly appreciated the star audio monoblock class D amp for its reliability. It offers a very high wattage and efficiency within an affordable range.

Fosi Audio TB10D Class D Power Amplifier

Fosi Audio TB10D is a class D, analog input amplifier. This two channel RCA amp can provide power upto 600 watts (300 x 2). The manufacturer has designed it with the PurePath Ultra-HD technology. This technology can significantly reduce distortion thus improving the overall audio quality. On AD-mode, the amp can provide power up to 2 x 315 W with a resistance of 4-Ω.

However, at 10% THD you will enjoy around 2 x 150 W powers along with 8-Ω load. Its overall audio frequency ranges from 20 Hz to 40 KHz. Do you want to pair it up with your home theater or car audio system? Don’t worry! You can pair it up with most audiophile equipment without any hassle. This classic simple amp cones with superior bass control, treble, and efficient volume control.

On the rear panel, there are separate banana plug connectors for easy compatibility with raw wires.

Specifications
Dimensions	(4.13 x 5.59 x 1.57) inches
Voltage	230 Volts
Max Supply Voltage	25 Volts
Channel	2
DC Input:	18 to 48 Volts
Max Power Output	600 W (300×2)
Input Sensitivity	Less than 600mV

Pros	Cons
● Heavy duty, durable amplifier.	● Its power output is a bit lower in comparison to expensive amps.
● Awesome sound quality with minimum distortion even at high volumes.	● You may face mild distortion at the maximum power output.
● Lightweight and compact design.
● It offers the best performance within budget.
● Easy to set up at home.

Customer’s Point of View

Customers have recognized it as one of the robust class D amps out there. Even though it’s really compact, the audio output is praiseworthy.

Skar Audio RP-350.1D Monoblock Class D Amplifier

Skar Audio monoblock amplifiers come with maximum reliability, efficiency and performance. At 1 ohm impedance, its max RMS power is around 350 W. It also features a high efficiency heat sink for proper heat dissipation. You can efficiently use it to power up two 200 watt subs or a single 400 W sub.

Are you worried about damage due to excess heat? If yes, no worries! The Skar Audio features a high end 4-way protection circuit. It can protect your amp significantly from overheating or high voltage.

Specifications
Dimensions	(12.75 x 7 x 3) inches
Voltage	12 V
Channel	1
Peak Power	388W
Frequency Response	20Hz to 250Hz
Bass Boost	+6 to +12 dB

Pros	Cons
● It’s a small and compact amp.	● You might miss some crispness while playing death metals.
● The heat sink is very efficient in heat dissipation.
● It offers clear sound without any distortion.
● It offers best performance within budget.

Customer’s Point of View

Customers have loved the compactness, crispy sound and small size of the Star Audio RP- 350 amp.

CT-2000 Classic D Monoblock Amplifier

Are you looking for a high end monoblock class D amp for your car audio system? If yes, you must check out the CT-2000 monoblock amp. It comes with a small and compact chassis. So, you can install it in your car audio system with ease.

Even though it’s a small amp, it can offer around 2000 wattage at 1 ohm impedance. At 4 ohm impedance, you can power the loads upto 650 watts. Its overall heat dissipation technology is very efficient as well. The 4-way protection circuit can save the amp from excess high/low voltage, over current, high temperature, etc.

Specifications
Dimensions	(19 x 5.63 x 2.19) inches
Voltage	14.4 V
Max DC Supply Voltage	16 V
Minimum Supply Voltage	9.2 V
Max RMS Power	2000W
Frequency	0 to 320 Hz
Protection Circuit	Available
Gain Adjustment	0.2 to 6 V

Pros	Cons
● It can provide sufficient wattage to power up the speakers.	● The base knobs feel a bit cheap.
● It doesn’t heat even after using it for an extended period.
● The sounds are pretty clear and crispy.

Customer’s Point of View

Among the audio enthusiasts, CT-2000 is renowned for its high power bass and efficiency. The users have positively reviewed its heat protection system as well.

Taramps MD 1200.1 Monoblock Amplifier

Taramps MD amplifier is a single channel amp with the RMS power of 1200 watt maximally. This amp csn unleash the ultimate power of your subs, woofers and tweeters. Just adjust the gain along with a low and high pass filter. Then you will definitely love the crisp and smoothness of the entire sound system. Customers have loved it for its HPF crossover, superior bass boost and modern heat dissipation system.

Specifications
Dimensions	(8 x 15 x 12) inches
Voltage	12.6 V
Mounting Type	Table Top
Channel	1
Frequency Response	10Hz to 20KHz
Bass Boost	0 to 10.5 dB
Input Impedance	10K ohm
Input Sensitivity	220 mv

Pros	Cons
● It provides enough wattage to power up the subs and speakers.	● Sounds are not very clear.
● It is a high end amp within budget.

Customer’s Point of View

This high end amp is hyped among the audio enthusiasts to power up their subs, speakers and tweeters. It offers a great wattage within an affordable range.

What to Look for While Choosing A Class D Amplifier?

Choosing the best Class D amplifier isn’t easy especially if you are a total first timer. You have to consider multiple factors like – output wattage, efficiency, weight, heat dissipation technology, audio quality and many more. In this segment, we have highlighted 12 major things that you must check before purchasing the right one. So, are you ready?

Power Output

Firstly, check out the power output of the amplifier. Measure the wattage you need to power up the speakers in the specific system (For instance, home theater system, car audio system, or professional PA systems). The amp must be compatible with the power output of the speakers.

Impedance Compatibility

Check the minimum impedance at which the amp can function without any distortion. Usually, a high end class D amp can produce high quality, effective sounds at 4, 6 or 8 ohms.

Efficiency

Class D amplifiers are well-known for high efficiency. The best class D amp can provide high power output without a huge power supply from the wall. As they offer better heat management, you can expect minimum energy loss as well. Thus, don’t forget to check the amplifier’s efficiency rating beforehand.

Sound Quality

The amplifier you will choose should give off a high-quality, high fidelity, crispy sound. To enjoy the best experience, you must check out – total harmonic distortion (THD) and signal-to-noise ratio (SNR).

Load Stability

Do you need an amp to power up several speakers or subs? If yes, you must go for a high stability amp. It must provide enough wattage to handle varying loads at once.

Input and Output Connections

Checking out minor details like input and output compatibility is also a must. A high end amp usually comes with various input connections including – RCA, XLR, or Bluetooth. The back panel often features banana plugs and spade connectors.

Size and Weight

Are you looking for an amp which can significantly save up space in your home theater system? Typical traditional amps are usually enormous in size due to their large heat sinks. In contrast, a class D amp is usually portable and compact. Thus, don’t forget to check overall weight and portability right away!

Cooling and Thermal Management

A high end class D amp usually comes with a better heat dissipation and cooling mechanism. So, you can use them for an extended period without any worries about overheating.

Crossover and DSP Features

You must look for a modern digital signal processing (DSP) and crossover controls for an upgraded audio optimization.

Protection Features

Overheating or overvoltage might malfunction the class D amplifier. Thus, for better durability and reliability you must look for protective features like – overcurrent & overvoltage circuits, thermal shutdown, and short-circuit protection, etc.

Brand and Build Quality

Are you planning to invest in a class D amp? If yes, going for a popular brand with a high reputation is a must. After all, they offer a better warranty, replacement and customer services.

Budget

Budget is one of the most crucial things to consider before choosing the best class D amps. Nowadays, you will come across many value for money amps in the market. They offer the most essential features without compromising sound quality.

FAQ

1. What are the disadvantages of class D amps?

• Class D amps may face distortion at low frequencies.
• It may face electromagnetic interference at high frequencies.
• Its overall design is a bit complex.

2. Which amp is better class AB or D?

Honestly, it totally depends on personal preference and specific use. Class AB amps are better for high quality sound and minimum THD. However, if you are looking for a combo of high efficiency, compactness and cost effectiveness, indeed Class D amps are best.

Final Words

In short, Class D amps have brought a revolution in the audio world with their efficiency and high-quality sound.

Moreover, you can enjoy such a high quality sound in compact and lightweight designs. The best part of class D amp is – now they are available within budget. I believe our recommendations and essential guidelines will help you to choose the best class D amplifier from the market.

As we have tested each one of them separately in our lab; you can rely on our recommendations. Don’t forget to consider necessary factors like – power output, connectivity, performance, bass Boost, control and many more. So, are you ready to choose the right model for your home theater system?