DOWN4SOUND
Shop Down4Sound car audio amplifiers engineered for clean power, strong output, and reliable performance in daily driver, sound quality, SPL, and high-output car audio systems. Browse Down4Sound monoblock amps, multi-channel amplifiers, full-range amps, compact amplifier solutions, and JP Series amp models built for subwoofers, door speakers, mids, highs, and complete custom audio builds.
Whether you are upgrading a factory system, powering a bass setup, building a louder front stage, or designing a full Down4Sound system, compare car audio amp models by RMS power, channel configuration, impedance, footprint, and application to find the right Down4Sound amp for your vehicle, power goals, and installation needs.
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DOWN4SOUND | ALUMINUM BASS KNOB - TEAL
DOWN4SOUND
MSRP: $79.99$39.99DOWN4SOUND Universal Aluminum Bass Knob – Premium-Grade Hardware and RCA Connections, Compatible with Most Bass Amplifiers and Fully Compatible with All Down4Sound Amplifiers. Dimensions 2.5" x 1...D4S-BASS-KNOB-TLMSRP: $79.99$39.99 -
DOWN4SOUND | ALUMINUM BASS KNOB - WHITE GLOSS
DOWN4SOUND
MSRP: $79.99$39.99DOWN4SOUND Universal Aluminum Bass Knob – Premium-Grade Hardware and RCA Connections, Compatible with Most Bass Amplifiers and Fully Compatible with All Down4Sound Amplifiers. Dimensions 2.5" x 1...D4S-BASS-KNOB-WHMSRP: $79.99$39.99 -
DOWN4SOUND | ALUMINUM BASS KNOB - TITANIUM
DOWN4SOUND
MSRP: $79.99$39.99DOWN4SOUND Universal Aluminum Bass Knob – Premium-Grade Hardware and RCA Connections, Compatible with Most Bass Amplifiers and Fully Compatible with All Down4Sound Amplifiers. Dimensions 2.5" x 1...D4S-BASS-KNOB-TIMSRP: $79.99$39.99Qty in Cart: 0Quantity:Price:MSRP: $79.99$39.99Subtotal: -
DOWN4SOUND | ALUMINUM BASS KNOB - RED
DOWN4SOUND
MSRP: $79.99$39.99DOWN4SOUND Universal Aluminum Bass Knob – Premium-Grade Hardware and RCA Connections, Compatible with Most Bass Amplifiers and Fully Compatible with All Down4Sound Amplifiers. Dimensions 2.5" x 1...D4S-BASS-KNOB-RDMSRP: $79.99$39.99 -
DOWN4SOUND | ALUMINIUM BASS KNOB - PURPLE
DOWN4SOUND
MSRP: $69.99$39.99DOWN4SOUND Universal Aluminum Bass Knob – Premium-Grade Hardware and RCA Connections, Compatible with Most Bass Amplifiers and Fully Compatible with All Down4Sound Amplifiers. Dimensions 2.5" x 1...D4S-BASS-KNOB-PUMSRP: $69.99$39.99 -
DOWN4SOUND | ALUMINIUM BASS KNOB - ORANGE
DOWN4SOUND
MSRP: $79.99$39.99DOWN4SOUND Universal Aluminum Bass Knob – Premium-Grade Hardware and RCA Connections, Compatible with Most Bass Amplifiers and Fully Compatible with All Down4Sound Amplifiers. Dimensions 2.5" x 1...D4S-BASS-KNOB-ORMSRP: $79.99$39.99 -
MSRP: $79.99$39.99 -
MSRP: $79.99$39.99 -
DOWN4SOUND | ALUMINUM BASS KNOB - BLACK
DOWN4SOUND
MSRP: $79.99$39.99DOWN4SOUND Universal Aluminum Bass Knob – Premium-Grade Hardware and RCA Connections, Compatible with Most Bass Amplifiers and Fully Compatible with All Down4Sound Amplifiers. Dimensions 2.5" x 1.25"...D4S-BASS-KNOB-BKMSRP: $79.99$39.99Qty in Cart: 0Quantity:Price:MSRP: $79.99$39.99Subtotal: -
DOWN4SOUND | JP34 AB WHITE GLOSS | 590W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$279.99 - $329.98Introducing the JP 34 WHITE GLOSS CLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated JP34AB WHITE GLOSS has made its triumphant return, now more refined and powerful than...JP34AB-WHG-$279.99 - $329.98 -
DOWN4SOUND | JP34 AB BLACK GLOSS | 590W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$279.99 - $329.98Introducing the JP 34 BLACK GLOSSCLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated JP34AB BLACK GLOSShas made its triumphant return, now more refined and powerful than...JP34AB-BKG-$279.99 - $329.98 -
DOWN4SOUND | JP454 BLACK GLOSS | 4000W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$649.99 - $729.98Down4Sound JP454 BLACK GLOSS Amplifier: 4000W RMS - 4 Channel Amplifier Step into a new dimension of audio excellence with the Down4Sound JP454 BLACK, a 4-channel amplifier that sets a new standard...JP454-BKG-$649.99 - $729.98