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Powerful Amplifiers

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Best Buy customers often prefer the following products when searching for Powerful Amplifiers.

If you're looking for a way to power your home theater or stereo system, you've got a few options. You can use a dedicated amplifier, which is designed specifically for this purpose. Or you can use an integrated amplifier, which combines a receiver with a number of speakers. Browse the top-ranked list of powerful amplifiers below along with associated reviews and opinions.

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  1. Pioneer - 4-Channel Class D Amplifier - Black - Front_Zoom
    Top comment

    "Powerful...The upgrades I made centers around this powerful little amplifier."

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    Product Description

    The Pioneer GM-DX874 four-channel amplifier will deliver up to 150 watts RMS to each of your front and rear speakers for powerful music. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a compact chassis that fits in a lot of out of the way spaces. The frequency response of this amplifier stretches up to 50,000 Hz, for Hi-Res Audio Certified playback. Pioneer uses high-grade electronic parts and gold-plated RCA connections to ensure maximum performance. Speaker-level inputs allow you to install this amp in a factory system with no RCA connections. The amplifier switches its input mode automatically when it detects the high-level signal, eliminating the need to run a turn-on lead to your receiver or fuse box. Built-in high- and low-pass filters let you adjust the sound for your vehicle's interior, whether you're driving speakers or subs.
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    Top comment

    "Powerful...The upgrades I made centers around this powerful little amplifier."

    See all customer reviews

    Product Description

    The Pioneer GM-DX874 four-channel amplifier will deliver up to 150 watts RMS to each of your front and rear speakers for powerful music. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a compact chassis that fits in a lot of out of the way spaces. The frequency response of this amplifier stretches up to 50,000 Hz, for Hi-Res Audio Certified playback. Pioneer uses high-grade electronic parts and gold-plated RCA connections to ensure maximum performance. Speaker-level inputs allow you to install this amp in a factory system with no RCA connections. The amplifier switches its input mode automatically when it detects the high-level signal, eliminating the need to run a turn-on lead to your receiver or fuse box. Built-in high- and low-pass filters let you adjust the sound for your vehicle's interior, whether you're driving speakers or subs.
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    Your price for this item is $219.99
    The comparable value price is $269.99

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    Installation available at select stores - more info at checkout

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  2. Kenwood - KAC-835 Class D 5-Channel Power Amplifier - Silver - Front_Zoom

    Product Description

    The KENWOOD KAC-835 is a 1600 watts high-performance 5-Channel Amplifier designed to deliver powerful, clear, and dynamic sound. Engineered for audio enthusiasts who seek both precision and versatility in their car audio systems. The KAC-835 provides the perfect blend of power, flexibility, and ease of installation. The 5-channel design allows the KAC-835 to power both front and rear speakers as well as a dedicated subwoofer channel, offering a complete audio solution in a single unit. Despite its powerful performance, the KENWOOD KAC-835 is designed to be compact and easy to install. The KAC-835 amplifier fits into tight spaces, making it ideal for vehicles where space is at a premium. The KENWOOD KAC-835 is equipped with both high-pass and low-pass filters. The high-pass filter is adjustable and allows users to set the crossover frequency for the full-range speakers, ensuring that only the appropriate frequencies are sent to the speakers, preventing distortion, and maximizing clarity. The low-pass filter, dedicated to the subwoofer channel, ensures that the subwoofer receives only the low-end frequencies, delivering tight, punchy bass. For those who crave deep, powerful bass, the KAC-835 features a variable bass boost function that allows you to adjust the low-frequency output to your preference.
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    Product Description

    The KENWOOD KAC-835 is a 1600 watts high-performance 5-Channel Amplifier designed to deliver powerful, clear, and dynamic sound. Engineered for audio enthusiasts who seek both precision and versatility in their car audio systems. The KAC-835 provides the perfect blend of power, flexibility, and ease of installation. The 5-channel design allows the KAC-835 to power both front and rear speakers as well as a dedicated subwoofer channel, offering a complete audio solution in a single unit. Despite its powerful performance, the KENWOOD KAC-835 is designed to be compact and easy to install. The KAC-835 amplifier fits into tight spaces, making it ideal for vehicles where space is at a premium. The KENWOOD KAC-835 is equipped with both high-pass and low-pass filters. The high-pass filter is adjustable and allows users to set the crossover frequency for the full-range speakers, ensuring that only the appropriate frequencies are sent to the speakers, preventing distortion, and maximizing clarity. The low-pass filter, dedicated to the subwoofer channel, ensures that the subwoofer receives only the low-end frequencies, delivering tight, punchy bass. For those who crave deep, powerful bass, the KAC-835 features a variable bass boost function that allows you to adjust the low-frequency output to your preference.
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    Your price for this item is $374.99
    The comparable value price is $499.99

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  3. Kenwood - KAC-334 Class D Bridgeable Multichannel Amplifier with Variable Crossovers - Silver - Front_Zoom

    Product Description

    Bring the sound inside your car to a higher level with the Kenwood KAC-334 Class D bridgeable multichannel amplifier, capable of 600 watts maximum power for crystal-clear and powerful sound, enhancing your drive. Its compact design allows versatile installation, and variable crossovers let you fine-tune your audio settings for optimal sound quality. The amplifier's Class D efficiency means plentiful power output without generating a lot of heat. It powers your speakers or subwoofer for dynamic and distortion-free performance.
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    Product Description

    Bring the sound inside your car to a higher level with the Kenwood KAC-334 Class D bridgeable multichannel amplifier, capable of 600 watts maximum power for crystal-clear and powerful sound, enhancing your drive. Its compact design allows versatile installation, and variable crossovers let you fine-tune your audio settings for optimal sound quality. The amplifier's Class D efficiency means plentiful power output without generating a lot of heat. It powers your speakers or subwoofer for dynamic and distortion-free performance.
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    Your price for this item is $224.99
    The comparable value price is $299.99

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  4. Pioneer - 1-Channel Class D Mono Amplifier - Black - Front_Zoom
    Top comment

    "POWERFUL!!!...Nice Amplifier. This amp is powerful for its size. I would recommend this amp to all. ...Powerful digital amplifier great open box deal for 177.00"

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    Product Description

    The GM-DX871 mono subwoofer amplifier can deliver up to 800 watts RMS to your subwoofer, for powerful bass that will give every song a strong and heavy beat. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a small chassis that fits in a lot of out of the way spaces.
    See all Multi-Channel Amps
    Top comment

    "POWERFUL!!!...Nice Amplifier. This amp is powerful for its size. I would recommend this amp to all. ...Powerful digital amplifier great open box deal for 177.00"

    See all customer reviews

    Product Description

    The GM-DX871 mono subwoofer amplifier can deliver up to 800 watts RMS to your subwoofer, for powerful bass that will give every song a strong and heavy beat. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a small chassis that fits in a lot of out of the way spaces.
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    Your price for this item is $199.99
    The comparable value price is $249.99

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    Installation available at select stores - more info at checkout

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  5. Kenwood - Class D Bridgeable Multichannel Amplifier with Variable Crossovers - Black - Front_Zoom
    Top comment

    "powerful amp...best performance, best value, this small amplifier deliverer’s a lot of power...Smooth Amplifier...great amplifier, excellent sound, powerful bass, multiple connections makes it very useful"

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    Product Description

    Boost your car audio system’s performance with the Kenwood KAC-314 Class D bridgeable multichannel amplifier. This amplifier delivers up to 1000 watts of maximum power, providing clear, powerful sound that enhances your driving experience. Its compact design allows for versatile installation, while the variable crossovers give you the flexibility to fine-tune your audio settings for optimal sound quality. With its Class D efficiency, the KAC-314 delivers robust power without overheating. Whether you're powering speakers or a subwoofer, this amplifier ensures dynamic and distortion-free audio performance.
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    Top comment

    "powerful amp...best performance, best value, this small amplifier deliverer’s a lot of power...Smooth Amplifier...great amplifier, excellent sound, powerful bass, multiple connections makes it very useful"

    See all customer reviews

    Product Description

    Boost your car audio system’s performance with the Kenwood KAC-314 Class D bridgeable multichannel amplifier. This amplifier delivers up to 1000 watts of maximum power, providing clear, powerful sound that enhances your driving experience. Its compact design allows for versatile installation, while the variable crossovers give you the flexibility to fine-tune your audio settings for optimal sound quality. With its Class D efficiency, the KAC-314 delivers robust power without overheating. Whether you're powering speakers or a subwoofer, this amplifier ensures dynamic and distortion-free audio performance.
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  6. Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black - Front_Zoom
    Top comment

    "Nice, small & powerful little 4 channel amplifier!...Good basic amplifier...This amplifier has the power and sound I was looking for, easily concealed yet powerful!"

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    Product Description

    Give your car stereo system a power boost with this Alpine Power Pack KTP-445U 180W Class D bridgeable 4-channel amplifier that features a 12dB/Oct high-pass filter for powerful sound.
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    Top comment

    "Nice, small & powerful little 4 channel amplifier!...Good basic amplifier...This amplifier has the power and sound I was looking for, easily concealed yet powerful!"

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    Product Description

    Give your car stereo system a power boost with this Alpine Power Pack KTP-445U 180W Class D bridgeable 4-channel amplifier that features a 12dB/Oct high-pass filter for powerful sound.
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    Your price for this item is $289.99

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  7. MB Quart - Reference 150W Class D 2-Channel Amplifier - Black - Front_Zoom

    Product Description

    Upgrade your vehicle's audio system with this two-channel MB Quart RA1-150.2 Reference Series amplifier. An aluminum heat sink enhances cooling for low impedance, while the variable electronic crossovers provide intuitive sound control. This MB Quart RA1-150.2 Reference Series amplifier boasts 150W maximum power output for powerful sound reproduction, and the automatic turn-on feature enables easy startups.
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    Product Description

    Upgrade your vehicle's audio system with this two-channel MB Quart RA1-150.2 Reference Series amplifier. An aluminum heat sink enhances cooling for low impedance, while the variable electronic crossovers provide intuitive sound control. This MB Quart RA1-150.2 Reference Series amplifier boasts 150W maximum power output for powerful sound reproduction, and the automatic turn-on feature enables easy startups.
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    Your price for this item is $187.99

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  8. AudioControl - 1300W 5-Channel Class D Matrix DSP Amplifier - Black - Front_Zoom

    Product Description

    Experience powerful sound from your car’s audio system with this 1300W 5-Channel Class D Matrix DSP Amplifier by AudioControl. The D-5.1300 is a high-power amplifier equipped with a built-in digital signal processor (DSP) that provides complete control of the amplifier's tuning features. This matrix DSP amplifier also features AccuBASS technology so you can turn up the volume without losing bass.
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    Product Description

    Experience powerful sound from your car’s audio system with this 1300W 5-Channel Class D Matrix DSP Amplifier by AudioControl. The D-5.1300 is a high-power amplifier equipped with a built-in digital signal processor (DSP) that provides complete control of the amplifier's tuning features. This matrix DSP amplifier also features AccuBASS technology so you can turn up the volume without losing bass.
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    Your price for this item is $899.99
    The comparable value price is $2,779.99

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  9. AudioControl - 1200W 6-Channel Class D Matrix DSP Amplifier - Black - Front_Zoom
    Top comment

    "I’ve owned this amplifier two years and still love it. The DSP is accurate and easy to use. "

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    Product Description

    Experience powerful sound from your car’s audio system with this 1200W 6-Channel Class D Matrix DSP Amplifier by AudioControl. The D-6.1200 is a high-power amplifier equipped with a built-in digital signal processor (DSP) that provides complete control of the amplifier's tuning features. This matrix DSP amplifier also features AccuBASS technology so you can turn up the volume without losing bass.
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    Top comment

    "I’ve owned this amplifier two years and still love it. The DSP is accurate and easy to use. "

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    Product Description

    Experience powerful sound from your car’s audio system with this 1200W 6-Channel Class D Matrix DSP Amplifier by AudioControl. The D-6.1200 is a high-power amplifier equipped with a built-in digital signal processor (DSP) that provides complete control of the amplifier's tuning features. This matrix DSP amplifier also features AccuBASS technology so you can turn up the volume without losing bass.
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    Your price for this item is $2,204.99
    The comparable value price is $2,939.99
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  10. AudioControl - 800W 4-Channel Class D Matrix DSP Amplifier - Black - Front_Zoom
    Top comment

    "Had a problem with this amplifier and Ryan in the Menomonee Falls , WI car audio installation department was fantastic at deciphering the problem and we ordered a new amp to switch out!!!"

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    Product Description

    Experience powerful sound from your car’s audio system with this 800W 4-Channel Class D Matrix DSP Amplifier by AudioControl. The D-4.800 is a high-power amplifier equipped with a built-in digital signal processor (DSP) that provides complete control of the amplifier's tuning features. This matrix DSP amplifier also features AccuBASS technology so you can turn up the volume without losing bass.
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    Top comment

    "Had a problem with this amplifier and Ryan in the Menomonee Falls , WI car audio installation department was fantastic at deciphering the problem and we ordered a new amp to switch out!!!"

    See all customer reviews

    Product Description

    Experience powerful sound from your car’s audio system with this 800W 4-Channel Class D Matrix DSP Amplifier by AudioControl. The D-4.800 is a high-power amplifier equipped with a built-in digital signal processor (DSP) that provides complete control of the amplifier's tuning features. This matrix DSP amplifier also features AccuBASS technology so you can turn up the volume without losing bass.
    See all Multi-Channel Amps
    Your price for this item is $699.99

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