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Class A And Class B Amplifier

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Best Buy customers often prefer the following products when searching for Class A And Class B Amplifier.

Looking to elevate your audio experience? Look no further than our extensive selection of class A and class B amplifiers. These powerful devices are designed to enhance the sound quality of your favorite music, movies, and games, bringing every note and beat to life with remarkable clarity and precision. Whether you're a casual listener or an avid audiophile, our range of class A and class B amplifiers offers something for everyone, delivering immersive sound that will truly amplify your entertainment. Browse the top-ranked list of class A and class B amplifiers below along with associated reviews and opinions.

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  1. Rotel - A10MKII 50W 2-Ch Integrated Stereo Amplifier - Black - Front_Zoom

    Product Description

    Discover the A10MKII Integrated Amplifier, where power meets style in perfect harmony. Delivering 50W per channel of Class A/B power into 8 ohms and featuring a Rotel-built toroidal transformer, it offers three RCA inputs and a Moving Magnet Phono stage, making it a must-have for vinyl enthusiasts and anyone seeking a powerful yet stylish audio solution.
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    Product Description

    Discover the A10MKII Integrated Amplifier, where power meets style in perfect harmony. Delivering 50W per channel of Class A/B power into 8 ohms and featuring a Rotel-built toroidal transformer, it offers three RCA inputs and a Moving Magnet Phono stage, making it a must-have for vinyl enthusiasts and anyone seeking a powerful yet stylish audio solution.
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    Your price for this item is $699.00

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  2. Rotel - A10MKII 50W 2-Ch Integrated Stereo Amplifier - Silver - Front_Zoom
    Top comment

    "Superb quality and sound...If you want a stripped down old style amplifier without the bells and whistles this is the ONE for you. ...If you are looking for a simple, elegant integrated amplifier, you won't do better than this amp. "

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    Product Description

    Discover the A10MKII Integrated Amplifier, where power meets style in perfect harmony. Delivering 50W per channel of Class A/B power into 8 ohms and featuring a Rotel-built toroidal transformer, it offers three RCA inputs and a Moving Magnet Phono stage, making it a must-have for vinyl enthusiasts and anyone seeking a powerful yet stylish audio solution.
    See all Integrated Amplifiers
    Top comment

    "Superb quality and sound...If you want a stripped down old style amplifier without the bells and whistles this is the ONE for you. ...If you are looking for a simple, elegant integrated amplifier, you won't do better than this amp. "

    See all customer reviews

    Product Description

    Discover the A10MKII Integrated Amplifier, where power meets style in perfect harmony. Delivering 50W per channel of Class A/B power into 8 ohms and featuring a Rotel-built toroidal transformer, it offers three RCA inputs and a Moving Magnet Phono stage, making it a must-have for vinyl enthusiasts and anyone seeking a powerful yet stylish audio solution.
    See all Integrated Amplifiers
    Your price for this item is $699.00

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    See all Integrated Amplifiers
  3. Rotel - A11MKII 50W 2-Ch Integrated Stereo Amplifier - Black - Front_Zoom

    Product Description

    Experience the A11MKII Integrated Amplifier, where power and connectivity converge harmoniously. With 50W per channel of Class A/B power into 8 ohms and a Rotel-built toroidal transformer, it effortlessly supports analog, digital, and Moving Magnet Phono stage inputs. It's the perfect companion for your audio journey, delivering a captivating blend of performance and versatility.
    See all Integrated Amplifiers

    Product Description

    Experience the A11MKII Integrated Amplifier, where power and connectivity converge harmoniously. With 50W per channel of Class A/B power into 8 ohms and a Rotel-built toroidal transformer, it effortlessly supports analog, digital, and Moving Magnet Phono stage inputs. It's the perfect companion for your audio journey, delivering a captivating blend of performance and versatility.
    See all Integrated Amplifiers
    Your price for this item is $949.00

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  4. Rotel - A11MKII 50W 2-Ch Integrated Stereo Amplifier - Silver - Front_Zoom

    Product Description

    Experience the A11MKII Integrated Amplifier, where power and connectivity converge harmoniously. With 50W per channel of Class A/B power into 8 ohms and a Rotel-built toroidal transformer, it effortlessly supports analog, digital, and Moving Magnet Phono stage inputs. It's the perfect companion for your audio journey, delivering a captivating blend of performance and versatility.
    See all Integrated Amplifiers

    Product Description

    Experience the A11MKII Integrated Amplifier, where power and connectivity converge harmoniously. With 50W per channel of Class A/B power into 8 ohms and a Rotel-built toroidal transformer, it effortlessly supports analog, digital, and Moving Magnet Phono stage inputs. It's the perfect companion for your audio journey, delivering a captivating blend of performance and versatility.
    See all Integrated Amplifiers
    Your price for this item is $949.00

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    See all Integrated Amplifiers
  5. Marantz - MODEL 50 70W 2-Ch. Stereo Integrated Amplifier - Silver Gold - Front_Zoom
    Top comment

    "A Classic Amp"

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    Product Description

    Elevate your audio experience to new heights with the Marantz MODEL 50 Stereo Integrated Amplifier. This remarkable amplifier delivers an impressive 70W per channel, driven by the powerful class A/B amplification and HDAM SA-3 circuitry. Immerse yourself in the world of vinyl, as Marantz's Musical Phono EQ technology offers minimal distortion and a pristine analog signal path, reviving the warmth and authenticity of your cherished record collection like never before. Audiophiles will appreciate Marantz's current feedback amplification technology, ensuring your audio playback is nothing short of extraordinary, free from the constraints of negative feedback, and filled with unparalleled sonic clarity. Connectivity is a breeze with six versatile analog input options, along with enhanced CD and Phono connectors. Take customization to the next level with the dedicated RCA output for powered subwoofers and the stereo preamp outputs featuring a discrete HDAM design. Tailor your audio setup precisely to your preferences, allowing your music to resonate in a way that suits your unique style. The Marantz MODEL 50 Stereo Integrated Amplifier is the perfect combination of power and precision, taking your audio journey to the next level. Every note comes alive with stunning detail, ensuring that your music transcends the ordinary and becomes an extraordinary auditory experience that you'll cherish for years to come. Elevate your sound with Marantz and make exceptional audio a part of your life.
    See all Integrated Amplifiers
    Top comment

    "A Classic Amp"

    See all customer reviews

    Product Description

    Elevate your audio experience to new heights with the Marantz MODEL 50 Stereo Integrated Amplifier. This remarkable amplifier delivers an impressive 70W per channel, driven by the powerful class A/B amplification and HDAM SA-3 circuitry. Immerse yourself in the world of vinyl, as Marantz's Musical Phono EQ technology offers minimal distortion and a pristine analog signal path, reviving the warmth and authenticity of your cherished record collection like never before. Audiophiles will appreciate Marantz's current feedback amplification technology, ensuring your audio playback is nothing short of extraordinary, free from the constraints of negative feedback, and filled with unparalleled sonic clarity. Connectivity is a breeze with six versatile analog input options, along with enhanced CD and Phono connectors. Take customization to the next level with the dedicated RCA output for powered subwoofers and the stereo preamp outputs featuring a discrete HDAM design. Tailor your audio setup precisely to your preferences, allowing your music to resonate in a way that suits your unique style. The Marantz MODEL 50 Stereo Integrated Amplifier is the perfect combination of power and precision, taking your audio journey to the next level. Every note comes alive with stunning detail, ensuring that your music transcends the ordinary and becomes an extraordinary auditory experience that you'll cherish for years to come. Elevate your sound with Marantz and make exceptional audio a part of your life.
    See all Integrated Amplifiers
    Your price for this item is $2,000.00

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  6. Crunch - V-DRIVE 1325W Mono Block Car Audio Amplifier - Black - Front_Zoom

    Product Description

    Feel the punch of powerful bass with the Crunch DR-1325.1 from the V-Drive amplifier series-crafted for clarity, control, and bold performance. With its signature LED VU-Meter, you get instant visual feedback while dialing in the perfect gain level. Built on Quick Thermal Dispersion Technology, it stays cool even when you're pushing up to 1325 watts of deep, defined output at 2 ohms. This Class A/B mono block comes equipped with a wired bass remote, putting precision bass control right at your fingertips whether you're fine-tuning for tight kicks or ground-shaking drops.
    See all Mono Subwoofer Amps

    Product Description

    Feel the punch of powerful bass with the Crunch DR-1325.1 from the V-Drive amplifier series-crafted for clarity, control, and bold performance. With its signature LED VU-Meter, you get instant visual feedback while dialing in the perfect gain level. Built on Quick Thermal Dispersion Technology, it stays cool even when you're pushing up to 1325 watts of deep, defined output at 2 ohms. This Class A/B mono block comes equipped with a wired bass remote, putting precision bass control right at your fingertips whether you're fine-tuning for tight kicks or ground-shaking drops.
    See all Mono Subwoofer Amps
    Your price for this item is $75.99
    The comparable value price is $107.99
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  7. BOSS Audio - Phantom Series 5 Channel Class A/B MOSFET Car Amplifier – 2-8 Ohm Stable, Low/High Level Inputs, High/Low Pass Crossover - Black - Front_Zoom

    Product Description

    Shift your sound into gear with BOSS Audio Systems’ Phantom PV3700 5-Channel Class A/B Full Range Amplifier. This powerful 2-Ohm stable amplifier features 3700 Watts Max Power with a MOSFET power supply for better performance to get your vehicle rocking. The five channels allow you to power four full-range speakers and a subwoofer (or other configurations of speakers/subwoofers) making it a flexible solution for your entire audio system. Customize performance and establish a sound stage utilizing PV3700’s variable high pass crossovers, variable low pass crossovers, variable bass boost and remote subwoofer control. Bridge channels for more power and flexibility. The Phantom Series are full-featured amplifiers that offer eye-catching Multi LED Backlit Illumination and customization for high quality sound, power, and performance.
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    Product Description

    Shift your sound into gear with BOSS Audio Systems’ Phantom PV3700 5-Channel Class A/B Full Range Amplifier. This powerful 2-Ohm stable amplifier features 3700 Watts Max Power with a MOSFET power supply for better performance to get your vehicle rocking. The five channels allow you to power four full-range speakers and a subwoofer (or other configurations of speakers/subwoofers) making it a flexible solution for your entire audio system. Customize performance and establish a sound stage utilizing PV3700’s variable high pass crossovers, variable low pass crossovers, variable bass boost and remote subwoofer control. Bridge channels for more power and flexibility. The Phantom Series are full-featured amplifiers that offer eye-catching Multi LED Backlit Illumination and customization for high quality sound, power, and performance.
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    Your price for this item is $179.99

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    Installation available at select stores - more info at checkout

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  8. Marantz - Model 40n Stereo Integrated Amplifier - Black - Front_Zoom
    Top comment

    "Great integrated amplifier...Awesome Amp powerful and clean Worth every penny It can stream right off the internet bypassing Bluetooth if you wish to...The statement on the box isn’t something they say with levity. Coming from a svs soundbase 300w class d amp with martin logan xtb100’s to this amp the difference was night and day between their dynamics. "

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    Product Description

    The Marantz Model 40n Stereo Integrated Amplifier with 70W Class A/B amplification and Hyper Dynamic Amplifier Modules (HDAM) drive your loudspeakers beautifully in small to medium sized environments, or even in large room with high sensitivity loudspeakers. Equipped with built-in HEOS technology that lets you enjoy your favorite music anywhere throughout your home and connect to other HEOS-enabled speakers. The high-performance integrated amp allows effortless and flexible voice control on all the major voice agents like Amazon Alexa, Google Assistant, Josh.ai, Apple Siri and AirPlay 2. Play music or control your home appliances, light, and speakers optimally from any corner of your house with just a voice command. Experience extraordinary vinyl playback with the Marantz Musical Phono EQ – an advanced built-in phono stage that is designed to be a perfect match for MM cartridges. Featuring a luxurious industrial design, the Model 40n satisfies the eyes and ears with its creative yet functional aesthetic that begs to be seen.
    See all Integrated Amplifiers
    Top comment

    "Great integrated amplifier...Awesome Amp powerful and clean Worth every penny It can stream right off the internet bypassing Bluetooth if you wish to...The statement on the box isn’t something they say with levity. Coming from a svs soundbase 300w class d amp with martin logan xtb100’s to this amp the difference was night and day between their dynamics. "

    See all customer reviews

    Product Description

    The Marantz Model 40n Stereo Integrated Amplifier with 70W Class A/B amplification and Hyper Dynamic Amplifier Modules (HDAM) drive your loudspeakers beautifully in small to medium sized environments, or even in large room with high sensitivity loudspeakers. Equipped with built-in HEOS technology that lets you enjoy your favorite music anywhere throughout your home and connect to other HEOS-enabled speakers. The high-performance integrated amp allows effortless and flexible voice control on all the major voice agents like Amazon Alexa, Google Assistant, Josh.ai, Apple Siri and AirPlay 2. Play music or control your home appliances, light, and speakers optimally from any corner of your house with just a voice command. Experience extraordinary vinyl playback with the Marantz Musical Phono EQ – an advanced built-in phono stage that is designed to be a perfect match for MM cartridges. Featuring a luxurious industrial design, the Model 40n satisfies the eyes and ears with its creative yet functional aesthetic that begs to be seen.
    See all Integrated Amplifiers
    Your price for this item is $2,700.00

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  9. KICKER - CXA660.5 5-Channel 90 Watts A/B & D Class Amplifier - Black - Front_Zoom
    Top comment

    "Brandon Arce from the Geek Squad install department recommended this for my sweet system and not only does it deliver the “BOOM BOOMS” but it was a great value too, the BESTBUY of both worlds, LOL Thanks again Brandon, my Corvette ROCKS, because you ROCK!...This Amp is easy to install and fits perfectly under my seat. I have a 1993 Chevrolet truck and the amp provides plenty of power to the sub woofer and 6 speakers....easy install and great sound"

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    Product Description

    CX-Series amps reach massive power levels thanks to an optimized circuit layout and the highest-grade internal components. Highly efficient heat sinks keep the amp cool and an optional remote level control lets you adjust bass on the fly.Five Channels of FunThe CXA660.5 Amplifier is built to be the complete package in one cool-looking amp. This CX amplifier uses powerful Class A/B technology to power four mid/high-range channels and an ultra-efficient Class D power plant for the bass channel. The amp also comes equipped with FIT+™ (Fail-safe Integration Technology-PLUS) giving you superior clarity and dependability. KickEQ™ variable bass boost gives you as much as a 6dB of extra bump with a simple turn of the knob. A powerful 12dB crossover and 24dB subsonic filter is also included letting you quickly tune your entire system to taste. This CX amplifier delivers as much as 90 watts into four full-range channels or 180 watts into two-bridged channels plus as much as 300 watts into one bass channel.FeaturesClass A/B full-range channelsClass D bass channel included for one amp to run an entire systemThree-second turn-on/off delay to eliminate unwanted interferenceVariable 12dB crossovers provides control to dial in perfect soundKickEQ™ 6dB variable bass boost for those additional low frequencies24dB subsonic filter for protection from potentially damaging frequenciesFIT+™ (Fail-safe Integration Technology-PLUS) means it works with nearly every radioAccepts up to 40-volt input signalSmall footprint for easier installationVertical mounting hardware included for another unique lookWhat's in the BoxCXA660.5 5-Channel 90 Watts A/B & D Class AmplifierMounting hardwareOwner's manualSpecificationsPower (watts/ch) 4 Ohm Stereo: 65 x 4Power (watts/ch) 2 Ohm Stereo: 90 x 4Power (watts/ch) 4 Ohm Mono: 180 x 2Power (watts/ch) 4 Ohm Mono Sub Ch: 150 x 1Power (watts/ch) 2 Ohm Mono Sub Ch: 300 x 1CXRC Remote Bass Capable (sold sep.): YesDimensions
    See all Multi-Channel Amps
    Top comment

    "Brandon Arce from the Geek Squad install department recommended this for my sweet system and not only does it deliver the “BOOM BOOMS” but it was a great value too, the BESTBUY of both worlds, LOL Thanks again Brandon, my Corvette ROCKS, because you ROCK!...This Amp is easy to install and fits perfectly under my seat. I have a 1993 Chevrolet truck and the amp provides plenty of power to the sub woofer and 6 speakers....easy install and great sound"

    See all customer reviews

    Product Description

    CX-Series amps reach massive power levels thanks to an optimized circuit layout and the highest-grade internal components. Highly efficient heat sinks keep the amp cool and an optional remote level control lets you adjust bass on the fly.Five Channels of FunThe CXA660.5 Amplifier is built to be the complete package in one cool-looking amp. This CX amplifier uses powerful Class A/B technology to power four mid/high-range channels and an ultra-efficient Class D power plant for the bass channel. The amp also comes equipped with FIT+™ (Fail-safe Integration Technology-PLUS) giving you superior clarity and dependability. KickEQ™ variable bass boost gives you as much as a 6dB of extra bump with a simple turn of the knob. A powerful 12dB crossover and 24dB subsonic filter is also included letting you quickly tune your entire system to taste. This CX amplifier delivers as much as 90 watts into four full-range channels or 180 watts into two-bridged channels plus as much as 300 watts into one bass channel.FeaturesClass A/B full-range channelsClass D bass channel included for one amp to run an entire systemThree-second turn-on/off delay to eliminate unwanted interferenceVariable 12dB crossovers provides control to dial in perfect soundKickEQ™ 6dB variable bass boost for those additional low frequencies24dB subsonic filter for protection from potentially damaging frequenciesFIT+™ (Fail-safe Integration Technology-PLUS) means it works with nearly every radioAccepts up to 40-volt input signalSmall footprint for easier installationVertical mounting hardware included for another unique lookWhat's in the BoxCXA660.5 5-Channel 90 Watts A/B & D Class AmplifierMounting hardwareOwner's manualSpecificationsPower (watts/ch) 4 Ohm Stereo: 65 x 4Power (watts/ch) 2 Ohm Stereo: 90 x 4Power (watts/ch) 4 Ohm Mono: 180 x 2Power (watts/ch) 4 Ohm Mono Sub Ch: 150 x 1Power (watts/ch) 2 Ohm Mono Sub Ch: 300 x 1CXRC Remote Bass Capable (sold sep.): YesDimensions
    See all Multi-Channel Amps
    Your price for this item is $337.99
    The comparable value price is $449.99

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    Installation available at select stores - more info at checkout

    See all Multi-Channel Amps
  10. Marantz - Model 40n Stereo Integrated Amplifier - Silver Gold - Front_Zoom
    Top comment

    "I run apple play off my iPhone , Apple TV, turntable, CD deck and KEF R3 Meta’s and my office rocks. Everything I need all works great and Marantz and the KEF’s are a perfect match. ...I wonder at whether this difference is accentuated more dramatically by the Model 40N being an A/B amp whereas the 30 is a class D. Either way, the Model 30 delivers more volume. "

    See all customer reviews

    Product Description

    The Marantz Model 40n Stereo Integrated Amplifier with 70W Class A/B amplification and Hyper Dynamic Amplifier Modules (HDAM) drive your loudspeakers beautifully in small to medium sized environments, or even in large room with high sensitivity loudspeakers. Equipped with built-in HEOS technology that lets you enjoy your favorite music anywhere throughout your home and connect to other HEOS-enabled speakers. The high-performance integrated amp allows effortless and flexible voice control on all the major voice agents like Amazon Alexa, Google Assistant, Josh.ai, Apple Siri and AirPlay 2. Play music or control your home appliances, light, and speakers optimally from any corner of your house with just a voice command. Experience extraordinary vinyl playback with the Marantz Musical Phono EQ – an advanced built-in phono stage that is designed to be a perfect match for MM cartridges. Featuring a luxurious industrial design, the Model 40n satisfies the eyes and ears with its creative yet functional aesthetic that begs to be seen.
    See all Integrated Amplifiers
    Top comment

    "I run apple play off my iPhone , Apple TV, turntable, CD deck and KEF R3 Meta’s and my office rocks. Everything I need all works great and Marantz and the KEF’s are a perfect match. ...I wonder at whether this difference is accentuated more dramatically by the Model 40N being an A/B amp whereas the 30 is a class D. Either way, the Model 30 delivers more volume. "

    See all customer reviews

    Product Description

    The Marantz Model 40n Stereo Integrated Amplifier with 70W Class A/B amplification and Hyper Dynamic Amplifier Modules (HDAM) drive your loudspeakers beautifully in small to medium sized environments, or even in large room with high sensitivity loudspeakers. Equipped with built-in HEOS technology that lets you enjoy your favorite music anywhere throughout your home and connect to other HEOS-enabled speakers. The high-performance integrated amp allows effortless and flexible voice control on all the major voice agents like Amazon Alexa, Google Assistant, Josh.ai, Apple Siri and AirPlay 2. Play music or control your home appliances, light, and speakers optimally from any corner of your house with just a voice command. Experience extraordinary vinyl playback with the Marantz Musical Phono EQ – an advanced built-in phono stage that is designed to be a perfect match for MM cartridges. Featuring a luxurious industrial design, the Model 40n satisfies the eyes and ears with its creative yet functional aesthetic that begs to be seen.
    See all Integrated Amplifiers
    Your price for this item is $2,700.00

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    See all Integrated Amplifiers
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