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 JP454 BLUE | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥4,365.14 - ¥4,902.33Down4Sound 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-¥4,365.14 - ¥4,902.33 -
DOWN4SOUND JP454 PURPLE | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥4,365.14 - ¥4,902.33Down4Sound JP454 PURPLE 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-PU-¥4,365.14 - ¥4,902.33 -
DOWN4SOUND JP284 - PURPLE | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
¥2,551.90 - ¥2,887.62Introducing the JP 284 PURPLE CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 PURPLE 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-PU-¥2,551.90 - ¥2,887.62 -
DOWN4SOUND JP284 - RED | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
¥2,551.90 - ¥2,887.62Introducing the JP 284 RED CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 RED is here, setting new standards in car audio amplification. This Class D amplifier is not only a testament to power but also to precision, ensuring...JP284-RD-¥2,551.90 - ¥2,887.62Qty in Cart: 0Quantity:Price:¥2,551.90 - ¥2,887.62Subtotal: -
DOWN4SOUND JP284 - GRAY | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
¥2,551.90 - ¥2,887.62Introducing 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-¥2,551.90 - ¥2,887.62 -
DOWN4SOUND JP284 - BLUE | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
¥2,551.90 - ¥2,887.62Introducing 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-¥2,551.90 - ¥2,887.62 -
DOWN4SOUND JP284 - GREEN | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
¥2,551.90 - ¥2,887.62ntroducing the JP 284 GREEN CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 GREEN 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-GR-¥2,551.90 - ¥2,887.62 -
DOWN4SOUND JP284 - ORANGE | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
¥2,551.90 - ¥2,887.62Introducing the JP 284 ORANGE CLASS D Amplifier: The Ultimate 4-Channel Power Dynamo The brand-new JP 284 ORANGE 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-OR-¥2,551.90 - ¥2,887.62 -
DOWN4SOUND JP34 AB WHITE SILVER | 590W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥1,678.86 - ¥2,014.58Introducing 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-¥1,678.86 - ¥2,014.58 -
DOWN4SOUND JP34 AB BLACK | 590W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥1,678.86 - ¥2,014.58Introducing 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-¥1,678.86 - ¥2,014.58 -
DOWN4SOUND JP34 AB RED | 590W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥1,678.86 - ¥2,014.58Introducing the JP 34 RED CLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated JP34AB RED has made its triumphant return, now more refined and powerful than before. This Class AB amplifier stands out not just for its rarity but...JP34AB-RD-¥1,678.86 - ¥2,014.58 -
DOWN4SOUND JP34 AB GRAY | 590W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥1,678.86 - ¥2,014.58Introducing 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-¥1,678.86 - ¥2,014.58