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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On Sale
DOWN4SOUND JP 10.4 WHITE GLOSS | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥4,852.03 - ¥5,523.53Down4Sound JP 10.4 WHITE Amplifier: 6000W 4 Channel Amplifier Experience unparalleled audio power with the Down4Sound JP 10.4 WHITE. This 4 Channel Car Amplifier is a powerhouse of performance, delivering an impressive 6000W output. Tailored for...JP104-WHG-¥4,852.03 - ¥5,523.53 -
On Sale
DOWN4SOUND JP 10.4 RED | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥4,852.03 - ¥5,523.53Down4Sound JP 10.4 RED Amplifier: 6000W 4 Channel Amplifier Unleash the power of your car audio with the Down4Sound JP 10.4 RED. This 4 Channel Car Amplifier is a force to be reckoned with, boasting a formidable 6000W output. Designed for audiophiles...JP104-RD-¥4,852.03 - ¥5,523.53 -
On Sale
DOWN4SOUND JP 10.4 BLUE | 6000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥4,852.03 - ¥5,523.53Down4Sound JP 10.4 BLUE Amplifier: 6000W 4 Channel Amplifier Elevate your car audio experience with the Down4Sound JP 10.4 BLUE. This 4 Channel Car Amplifier is a powerhouse of sound, delivering a massive 6000W output. It's designed for those who seek...JP104-BL-¥4,852.03 - ¥5,523.53 -
On Sale
DOWN4SOUND JP454 RED | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥3,273.84 - ¥3,811.03Down4Sound JP454 RED Amplifier: 4000W RMS - 4 Channel Amplifier Step into a realm of superior audio with the Down4Sound JP454 RED. This 4-channel amplifier is a marvel of sound engineering, designed not just for power but for an immersive, high-fidelity...JP454-RD-¥3,273.84 - ¥3,811.03 -
On Sale
DOWN4SOUND JP454 ORANGE | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥2,837.32 - ¥3,374.50Down4Sound 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-¥2,837.32 - ¥3,374.50 -
On Sale
DOWN4SOUND JP454 WHITE GLOSS | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥3,710.36 - ¥4,247.55Down4Sound 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-¥3,710.36 - ¥4,247.55Qty in Cart: 0Quantity:Price:¥3,710.36 - ¥4,247.55Subtotal: -
On Sale
DOWN4SOUND JP454 GREEN | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥3,273.84 - ¥3,811.03Down4Sound JP454 GREEN Amplifier: 4000W RMS - 4 Channel Amplifier Immerse yourself in a world of exceptional audio with the Down4Sound JP454 GREEN. This 4-channel amplifier is a testament to superior sound engineering, crafted to not only deliver robust...JP454-GR-¥3,273.84 - ¥3,811.03 -
On Sale
DOWN4SOUND JP454 BLUE | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥2,837.32 - ¥3,374.50Down4Sound 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-¥2,837.32 - ¥3,374.50 -
On Sale
DOWN4SOUND JP454 PURPLE | 4000W RMS - 4 CHANNEL AMPLIFIER
Down4Sound
¥3,273.84 - ¥3,811.03Down4Sound 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-¥3,273.84 - ¥3,811.03 -
On Sale
DOWN4SOUND JP284 - PURPLE | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
¥2,169.10 - ¥2,504.82Introducing 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-¥2,169.10 - ¥2,504.82Qty in Cart: 0Quantity:Price:¥2,169.10 - ¥2,504.82Subtotal: -
On Sale
DOWN4SOUND JP284 - RED | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
¥2,169.10 - ¥2,504.82Introducing 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-¥2,169.10 - ¥2,504.82Qty in Cart: 0Quantity:Price:¥2,169.10 - ¥2,504.82Subtotal: -
On Sale
DOWN4SOUND JP284 - GRAY | 3000W 4 CHANNEL AMPLIFIER
Down4Sound
¥2,169.10 - ¥2,504.82Introducing 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-¥2,169.10 - ¥2,504.82Qty in Cart: 0Quantity:Price:¥2,169.10 - ¥2,504.82Subtotal: