Powerful Amplifiers
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.
Pioneer - 4-Channel Class D Amplifier - Black
Model: GM-DX874SKU: 6321734Top comment"Powerful...The upgrades I made centers around this powerful little amplifier."
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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.Top comment"Powerful...The upgrades I made centers around this powerful little amplifier."
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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.See all Multi-Channel AmpsYour price for this item is $219.99The comparable value price is $269.99Select pickup
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Installation available at select stores - more info at checkout
Kenwood - KAC-835 Class D 5-Channel Power Amplifier - Silver
Model: KAC-835SKU: 6610492See all Multi-Channel AmpsYour price for this item is $374.99The comparable value price is $499.99Select pickup
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Installation available at select stores - more info at checkout
Kenwood - KAC-334 Class D Bridgeable Multichannel Amplifier with Variable Crossovers - Silver
Model: KAC-334SKU: 6610489See all Multi-Channel AmpsYour price for this item is $224.99The comparable value price is $299.99Select pickup
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Pioneer - 1-Channel Class D Mono Amplifier - Black
Model: GM-DX871SKU: 6321733Top 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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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.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 reviewsSee all Multi-Channel AmpsProduct 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 AmpsYour price for this item is $199.99The comparable value price is $249.99Select pickup
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Installation available at select stores - more info at checkout
Kenwood - Class D Bridgeable Multichannel Amplifier with Variable Crossovers - Black
Model: KAC-314SKU: 6330250Top 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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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.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 reviewsSee all Multi-Channel AmpsProduct 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.See all Multi-Channel AmpsNone in your area.
Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black
Model: KTP-445USKU: 4769803Top 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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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.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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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.See all Multi-Channel AmpsYour price for this item is $289.99Select pickup
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MB Quart - Reference 150W Class D 2-Channel Amplifier - Black
Model: RA1-150.2SKU: 6498281See all Multi-Channel AmpsYour price for this item is $187.99Select pickup
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Installation available at select stores - more info at checkout
AudioControl - 1300W 5-Channel Class D Matrix DSP Amplifier - Black
Model: D-5.1300SKU: 6482923See all Multi-Channel AmpsYour price for this item is $899.99The comparable value price is $2,779.99Select pickup
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Installation available at select stores - more info at checkout
AudioControl - 1200W 6-Channel Class D Matrix DSP Amplifier - Black
Model: D-6.1200SKU: 6320225Top comment"I’ve owned this amplifier two years and still love it. The DSP is accurate and easy to use. "
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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.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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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.See all Multi-Channel AmpsYour price for this item is $2,204.99The comparable value price is $2,939.99AudioControl - 800W 4-Channel Class D Matrix DSP Amplifier - Black
Model: D-4.800SKU: 6320223Top 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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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.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 reviewsSee all Multi-Channel AmpsProduct 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 AmpsYour price for this item is $699.99Select pickup
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Installation available at select stores - more info at checkout













