The Best Class A B Amplifier in April 2022

After hours of researching and comparing all models on the market, we find out the Best Class A B Amplifier of 2022. Check our ranking below.

Our Picks For The Top Class A B Amplifier


Bestseller No. 1
Orion Cobalt 4 Channel Amplifier – Class A/B Multichannel Amplifier 1750W RMS 3500W Max, Car Electronics Car Audio Stereo Subwoofer 2 Ohm Stable Bass Boost MOSFET Amplifier for Car Speakers Sub Amp
  • Features – The 4 channel bass boost amplifier has features like - Frequency Response: 10HZ-30KHZ, Remote Bass Knob, 2-way protection, hi/low pass crossovers, hi/low level inputs, MOSFET Power Supply, Thermal Protection, Gain Control, 2 Ohm Stable
  • Class A/B – This multichannel subwoofer amplifier exhibits a Class A/B topology. In the presence of no audio signal, Class A Amplifier has a high amount of current flowing in its output while Class b amplifier has no current flowing.
  • Quality - This Class A/B 4 channel amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent place. Durable design and highly efficient performance makes this subwoofer amp for car speakers stand out amongst the others.
  • Power – This Class A/B 2500 watt Amplifier has a power rating distribution as followed 875 X 4 MAX @ 2 OHMS. The 4 channel amplifier for car speakers also provides a 2-way protection circuitry as a part of its design.
  • Low/High Level Inputs – The multichannel amplifier for car speakers come with low/high level inputs. A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers
Bestseller No. 2
LEIGESAUDIO 1600 Watts MonoBlock Amplifier, Class A/B, Remote Subwoofer Control, Mosfet Power Supply, Subwoofer Amplifiers for Car Audio Speakers
  • POWER - 1600 Watts Max x 1 @2-Ohms, 800 Watts Max x 1 @4-Ohms this amplifier is designed to run your subwoofer(s) giving them the power that they need to perform as they were meant to.
  • CLASS A/B TECH - Stable at operating at a 2 ohm load, and featuring Class A/B Circuitry, this amplifier delivers the absolute best in sound clarity and performance.
  • MOSFET POWER SUPPLY - A MOSFET is basically an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry.
  • VARIABLE LOW-PASS CROSSOVER - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction VARIABLE BASS BOOST: Bass Boost allows you to adjust the low bass within the boost range to just the way you like it.
  • WARRANTY- As long as you purchase through Amazon.com, LEIGESAUDIO provide a comprehensive 3-year VIP online reseller warranty. We strongly encourage professional installation methods to ensure excellent performance and safe functions of this product.
Bestseller No. 3
Hifonics ZG-1200.4 Zeus Gamma 1200 Watts 4-Channel Full Range Bridgeable Audio Amplifier Class A/B Amp for Car & Vehicles with Gravity Magnet Phone Holder Bundle
  • Power @ 2 Ohms (ch x watts): 4 x 300 | Power @ 4 Ohms (ch x watts): 4 x 150 | Mono Bridged @ 4 Ohms (ch x watts): 2 x 600
  • RCA Inputs: Nickel plated high temperature impact resistant with hex screw terminals that allow for secure connections and is erosion resistant.
  • Operation Mode: Four Channel, Full Range, Bridgeable, Flexible installation allows this amplifier to run in four channel or bridged mono mode.
  • Electronic Equalizer: Control of amplifier output with on-board electronic crossover to tailor specific frequencies to speakers and subwoofers.
  • Output Device Technology: PWM MOSFET Power Supply, Stable power through the PC board with minimal heat generation.
Bestseller No. 4
Water Resistant Bluetooth Marine 4 Channel Class A/B Amplifier Media Stereo on Boats UTV ATV Golf Carts and Cars
  • Class-A/B Marine Bluetooth Amplifier (No head unit required) & 3 m Wired Remote with 3-color LED indicator (sources - USB/AUX/Bluetooth). Wired Remote with S-terminal connector, please ensure the cable connection is always tight.
  • Wired remote can be immerged in water, Silicone Gasket to protect the Black Box from water splashing. Rustproof Aluminum heatsink with white painted finish. All screws and mounting kits are made from Stainless Steel.
  • Drive Max Power Output 180W into 4 Channels (suggests to work with 4 ohm 45W speaker). Real data for your verification.
  • USB Charging 5V 1A / Frequency Response: 20Hz - 20KHz / 15 Amp Maxi Fuse.
  • Warranty - 1 Year Quality Promise - Strongly recommend to read the wiring guide carefully or go to shop for professional installation to make sure the amplifier works properly and long lasting
Bestseller No. 5
Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier
  • 500-Watt MOSFET 4-Channel Class A/B Power Car Amplifier
  • RMS Power at 2 Ohms: 125 Watts x 4 Channels
  • RMS Power at 4 Ohms: 75 Watts x 4 Channel
  • User Adjustable Controls: Gain, Variable LPF, HPF, Bass EQ Switch (0, +6, +12 dB)
  • 4 Way Protection Circuitry | Frequency Response: 20 Hz - 20,000 Hz
SaleBestseller No. 6
BOSS Audio Systems PF1800 4 Channel Car Amplifier - 1800 Watts, Full Range, Class A-B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable
  • Power - 450 Watts Max x 4 @2-Ohms, 225 Watts Max x 4 @4-Ohms, 900 Watts Max x 2 Bridged @4 Ohms
  • Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
  • Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
  • Mosfet Power Supply - A MOSFET is basically an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
  • Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
Bestseller No. 7
DS18 GEN-X2000.4 2000 Watts Max 4 Channel Multichannel Class A/B Amplifier with Bass Remote Knob
  • DS18 GEN-X2000.4D has the following RMS power: at 2 Ohms 180 watts / at 4 Ohms 120 watts / Bridge Powered at 4 Ohm 300 watts - THD Distortion 0.08%
  • Designed, Engineered, Developed, and Quality Controlled in the USA - Minimum THD at Rated Power: 98dB. Under Voltage Protection at 10V. Over Voltage Protection at 15V. Frequency Response: 20Hz - 20KHz. Fuse Rating 35A x 3
  • High-Speed MOSFET Power Supply Optical Coupler Class "A/B" Technology. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 50Hz - 500Hz. High Pass Filter: 50Hz - 500Hz. Phase Control Switch. Full IC-Controlled Protection Circuitry. Remote Dashboard Subwoofer Control. Fully Adjustable 12dB Bass Equalizer. Mute and Delay Soft Start System.
  • Molded power terminals have the highest current draw in the industry and they also look way nicer than other terminal styles. Power and Protection LED Indicator. LED Illuminated Logo. Dimensions: (L x W x H) 488 x 190 x 60 mm
  • IN THE BOX - Amplifier, Bass Remote, Owner's Manual, & Mounting Screws.
Bestseller No. 8
Orion Ztreet 2 Channel Car Amplifier – Class A/B Stereo Power Amplifier 3000 Watt Max 2 Ohm Stable, Bass Boost, Crossover MOSFET Power Supply, Car Electronics Amp, Audio Speakers, Great for Subwoofers
  • Class A/B – This multichannel subwoofer amplifier for car stereo exhibits a Class A/B topology. In the presence of no audio signal, Class A Amplifier has a high amount of current flowing in its output while Class B amplifier has no current flowing.
  • Quality - This Class A/B 2 channel car amplifier for subwoofers exhibits quality frequency response rates and crossover network which places this amp at a prominent place. Durable design and highly efficient performance makes this subwoofer amp for car speakers stand out amongst the others.
  • Power – This Class A/B 3000 Watt Car Amplifier has a power rating distribution as followed 160x2 RMS @2 Ohms, 60x2 RMS @4 Ohms. The 2 channel amplifier for car speakers also provides a 2-way protection circuitry as a part of its design.
  • Low/High Level Inputs – The multichannel amplifier for car speakers come with low/high level inputs. A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers
  • Crossovers- The Orion Ztreet Multichannel Car Amplifier for car audio subwoofers offers you the ease of connectivity by providing the feature of crossover. The 2 channel car amplifier provides you with options of high pass crossover of 50Hz-1.2kHz, low pass crossover of 40Hz-250Hz and 4 gauge power and ground terminals
SaleBestseller No. 9
Autotek AYA-1100.4 Alloy Series Four Channel Car Audio Amplifier (Silver) – Class A/B Amp, 1100 Watt, Wired Bass Remote Included, Variable Electronic Crossover
  • Minimize Distortion – Highest sound quality connection with quality RCA materials helps prevent interference and distortion in the signal path. Easily tie into OEM audio system that do not offer RCA output to maximize after-market amp power.
  • Built for Powerful Sound – Maximize power efficiency while improving sound quality and minimizing distortion with the high speed Pro-Fi MOSFET components. A high energy power supply delivers power with minimal impact on the electrical system.
  • Class A/B Amplifier – Class A/B topology and low noise preamplifier circuitry produces high quality sound and allows the amplifier to develop high levels of power with minimal distortion.
  • Aluminum Heat Sink – Quick Thermal Dispersion (QTD) technology assures additional mass in the aluminum heat sink keeping the amplifier running cool, with nearly undetectable distortions during normal use when listening to music.
  • High Quality Connections – Nickel plated brass connection with terminals allows secure connections while resisting corrosion. Screw down connectors allow for easy access with hand tool for quick and secure connection.
SaleBestseller No. 10
BOSS Audio Systems R1004 4 Channel Car Amplifier – Riot Series, 400 Watts, Full Range, Class A/B, 2 Ohm Stable, IC (Integrated Circuit) Great for Car Speakers and Car Stereos
  • Power - 100 Watts Max X 4 @2-Ohms, 50 Watts Max X 4 @4-Ohms
  • Class A/B Topology - Class ‘A’ Amplifiers Have Enormous Amount Of Current Flowing Through Its Output Transistors With No Audio Signal. Class ‘B’ Amplifiers Have No Current Flowing Through Its Outputs With No Audio Signal
  • Full Range - With A Full Range Amplifier You Not Only Have The Option To Run Your Speakers, But Also Your Subwoofers
  • Variable Gain Control - The Gain Control Is Not For Adjusting Volume. It Simply Adjusts The Amount Of Signal That Is Coming From Your Receiver And Going To Your Amplifier


How Do You Buy The Best Class A B Amplifier?


Do you get stressed out thinking about shopping for a great Class A B Amplifier? Do doubts keep creeping into your mind? We understand because we’ve already gone through the whole process of researching Class A B Amplifier, which is why we have assembled a comprehensive list of the greatest Class A B Amplifier available in the current market. We’ve also come up with a list of questions that you probably have yourself.


We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Class A B Amplifier that you consider buying. Your questions might include the following:

  • Is it worth buying an Class A B Amplifier?
  • What benefits are there with buying an Class A B Amplifier?
  • What factors deserve consideration when shopping for an effective Class A B Amplifier?
  • Why is it crucial to invest in any Class A B Amplifier, much less the best one?
  • Which Class A B Amplifier are good in the current market?
  • Where can you find information like this about Class A B Amplifier?

We’re convinced that you likely have far more questions than just these regarding Class A B Amplifier, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.


Potential sources can include buying guides for Class A B Amplifier, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best possible Class A B Amplifier. Make sure that you are only using trustworthy and credible websites and sources.


We provide an Class A B Amplifier buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Class A B Amplifier currently available on the market.


This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:


  1. Brand Value: Every brand of Class A B Amplifier has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Class A B Amplifier?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: his simply is how much bang for the buck you get from your Class A B Amplifier.
  5. Customer Ratings: Number ratings grade Class A B Amplifier objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Class A B Amplifier.
  7. Product Quality: You don’t always get what you pay for with an Class A B Amplifier, sometimes less, and sometimes more.
  8. Product Reliability: ow sturdy and durable an Class A B Amplifier is should be an indication of how long it will work out for you. .

We always remember that maintaining Class A B Amplifier information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.


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