DOWN4SOUND
Down4Sound offers high-performance car audio products including amplifiers, subwoofers, speakers, DSPs, batteries, wiring accessories, and installation gear.
Built for daily drivers, demo vehicles, marine systems, and competition audio builds, Down4Sound gives enthusiasts the core products needed to build louder, cleaner, and more reliable car audio systems.
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DOWN4SOUND | SB 8" SUBWOOFER | 500W RMS | D2
DOWN4SOUND
MSRP: $339.98$114.99Unleash the power of precise bass performance with the DOWN4SOUND SB-8 Subwoofer, crafted for car audio enthusiasts who value clean, impactful sound in a compact footprint. Featuring a dual 2-ohm...SB8D2MSRP: $339.98$114.99 -
DOWN4SOUND | SB 8" SUBWOOFER | 500W RMS | D4
DOWN4SOUND
MSRP: $339.98$114.99Experience compact yet powerful bass performance with the DOWN4SOUND SB-8 Subwoofer, designed for car audio enthusiasts who demand clean and impactful sound in a smaller footprint. Featuring a dual...SB8D4MSRP: $339.98$114.99 -
DOWN4SOUND | PRO-FAB - BIRCH - 4X 8-INCH PORTED SUBWOOFER ENCLOSURE - 99-07 GM/CHEVY EXTENDED CAB - 2.5-INCH SEAT LIFT REQUIRED
DOWN4SOUND
MSRP: $599.99$469.99Tailored for the 1999-2007 GM/Chevy Extended Cab, this Down4Sound PRO-FAB enclosure is designed for serious bass enthusiasts. Featuring four 8-inch subwoofer openings, it delivers precision-tuned...TD4S-PFB-GM9907-488SLMSRP: $599.99$469.99 -
DOWN4SOUND | PRO-FAB - BIRCH - 4X 8-INCH PORTED SUBWOOFER ENCLOSURE - 19+ GM/CHEVY CREW CAB - 2.5-INCH SEAT LIFT REQUIRED
DOWN4SOUND
MSRP: $649.99$439.99Designed for the 2019+ GM/Chevy Crew Cab, this Down4Sound PRO-FAB enclosure is tailored for audio enthusiasts seeking deep, powerful bass. Featuring four 8-inch subwoofer openings, it is...TD4S-PFB-GM1924-488SLMSRP: $649.99$439.99 -
DOWN4SOUND | PRO-FAB - BIRCH - 4X 8-INCH PORTED SUBWOOFER ENCLOSURE - 19+ GM/CHEVY CREW CAB - UNDER SEAT - NO LIFT
DOWN4SOUND
MSRP: $649.99$439.99Engineered for the 2019+ GM/Chevy Crew Cab, the Down4Sound PRO-FAB enclosure is designed to deliver powerful and precise bass. With four 8-inch subwoofer openings, this enclosure fits seamlessly...TD4S-PFB-GM1924-488NLMSRP: $649.99$439.99Qty in Cart: 0Quantity:Price:MSRP: $649.99$439.99Subtotal: -
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 | 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 | PRO-FAB BIRCH FLAT PACK DUAL 2 6.5 | DIY PORTED SUBWOOFER ENCLOSURE BOX
DOWN4SOUND
MSRP: $199.99$159.99Create your own high-performance subwoofer enclosure with the Down4Sound PRO-FAB Birch Flat Pack Dual 6.5, a DIY ported sub box crafted for exceptional sound quality and custom car audio projects...DIY-PFB-BIRCH-265PMSRP: $199.99$159.99 -
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