4 CHANNEL

4 CHANNEL

Down4Sound 4 channel amplifiers are among the most popular car audio amplifiers on the market. They are available in various power levels, from 400W up to 6000W. Our 4 channel amplifiers are offered in Class D or Class AB technology, and all of them can produce more power than their advertised ratings. 3rd party 4-channel amplifier review & dyno videos are available within each listing, so you can see how much power these amplifiers can produce. When choosing a four channel amplifier for your car audio system, the sky is truly the limit.

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DOWN4SOUND | MM504 (MINI MAXX) - GRAY | 300W RMS MINI | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $200.01

Now: $81.46 - $98.12

Was: $95.83

Introducing the DOWN4SOUND MM504 (MINI MAXX) in Gray - a sleek and potent 300W RMS 4-Channel Car Audio Amplifier. This elegantly designed compact amplifier is engineered to deliver superior audio performance in a small footprint, making it a perfect...

MM504-GY-

MSRP: $200.01

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DOWN4SOUND | MM504 (MINI MAXX) - PURPLE | 300W RMS MINI | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $200.01

Now: $81.46 - $98.12

Was: $95.83

Introducing the DOWN4SOUND MM504 (MINI MAXX) in Purple - a sleek and potent 500W RMS 4-Channel Car Audio Amplifier. This elegantly designed compact amplifier is engineered to deliver superior audio performance in a small footprint, making it a perfect...

MM504-PU-

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DOWN4SOUND | MM504 (MINI MAXX) - GREEN | 300W RMS MINI | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $200.01

Now: $81.46 - $98.12

Was: $95.83

Introducing the DOWN4SOUND MM504 (MINI MAXX) in Green - a sleek and potent 500W RMS 4-Channel Car Audio Amplifier. This elegantly designed compact amplifier is engineered to deliver superior audio performance in a small footprint, making it a perfect...

MM504-GR-

MSRP: $200.01

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DOWN4SOUND | MM504 (MINI MAXX) - BLACK | 300W RMS MINI | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $200.01

Now: $81.46 - $98.12

Was: $95.83

Introducing the DOWN4SOUND MM504 (MINI MAXX) in Black - a compact yet powerful 300W RMS 4-Channel Car Audio Amplifier. This sleek and efficient amplifier is designed to deliver exceptional audio performance in a small package, making it perfect for car...

MM504-BK-

MSRP: $200.01

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DOWN4SOUND | JP454 ORANGE | 4000W RMS | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $1,083.41

Now: $460.45 - $527.11

Was: $541.70

Down4Sound JP454 ORANGE Amplifier: 4000W RMS - 4 Channel Amplifier Step into a realm of superior audio with the Down4Sound JP454 ORANGE. This 4-channel amplifier is a marvel of sound engineering, designed not just for power but for an immersive,...

JP454-OR-

MSRP: $1,083.41

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DOWN4SOUND | JP454 WHITE GLOSS | 4000W RMS | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $1,083.41

Now: $460.45 - $527.11

Was: $541.70

Down4Sound JP454 WHITE Amplifier: 4000W RMS - 4 Channel Amplifier Immerse yourself in a world of exceptional audio with the Down4Sound JP454 WHITE. This 4-channel amplifier is a testament to superior sound engineering, crafted not just for delivering...

JP454-WHG-

MSRP: $1,083.41

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DOWN4SOUND | JP454 BLUE | 4000W RMS | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $1,083.41

Now: $460.45 - $527.11

Was: $541.70

Down4Sound JP454 BLUE Amplifier: 4000W RMS - 4 Channel Amplifier Embark on an unparalleled audio journey with the Down4Sound JP454 PURPLE, a 4-channel amplifier that epitomizes audio perfection. This amplifier isn't just about delivering power; it's...

JP454-BL-

MSRP: $1,083.41

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DOWN4SOUND | JP284 - GRAY | 3000W | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $416.69

Now: $283.35 - $325.01

Was: $333.35

Introducing the JP 284 GRAY CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 GRAY is here, setting new standards in car audio amplification. This Class D amplifier is not only a testament to power but also to precision,...

JP284-GY-

MSRP: $416.69

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DOWN4SOUND | JP284 - BLUE | 3000W | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $416.69

Now: $283.35 - $325.01

Was: $333.35

Introducing the JP 284 BLUE CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 BLUE is here, setting new standards in car audio amplification. This Class D amplifier is not only a testament to power but also to precision,...

JP284-BL-

MSRP: $416.69

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DOWN4SOUND | JP34 AB WHITE SILVER | 590W RMS | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $466.70

Now: $198.34 - $240.00

Was: $233.34

Introducing the JP 34 WHITE SILVER CLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated JP34AB WHITE SILVER has made its triumphant return, now more refined and powerful than before. This Class AB amplifier stands out not just...

JP34AB-WHISLV-

MSRP: $466.70

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Was: $233.34

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DOWN4SOUND | JP34 AB BLACK | 590W RMS | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $466.70

Now: $198.34 - $240.00

Was: $233.34

Introducing the JP 34 BLACK CLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated JP34AB BLACK has made its triumphant return, now more refined and powerful than before. This Class AB amplifier stands out not just for its rarity...

JP34AB-BK-

MSRP: $466.70

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Was: $233.34

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DOWN4SOUND | JP34 AB GRAY | 590W RMS | 4 CHANNEL AMPLIFIER

DOWN4SOUND

MSRP: $466.70

Now: $198.34 - $240.00

Was: $233.34

Introducing the JP 34 GRAY CLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated JP34AB GRAY has made its triumphant return, now more refined and powerful than before. This Class AB amplifier stands out not just for its rarity...

JP34AB-GY-

MSRP: $466.70

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Was: $233.34

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