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Sundown Audio X v.4 8" Dual 4 Ohm Subwoofer – 1000W RMS, Triple Stacked Magnet, 3" VC, Mega-Roll v.2 Surround, High Excursion 19mm Xmax, Deep Bass Optimized for Small Ported Boxes

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Availability: Only 1 left in stock, order soon!
Fulfilled by Audiosavings

Arrives Wednesday, May 6
Order within 17 hours and 24 minutes
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Size: 8" - Dual 4 Ohm


Features

  • Extreme Power Handling: The Sundown Audio X v.4 8" subwoofer delivers robust bass with 1000W RMS / 2500W Peak power handling, ensuring phenomenal performance. Designed for extremely deep bass, this 8-inch subwoofer is built to excel in high-demand car audio systems.
  • Revolutionary Mega-Roll v.2 Surround: Featuring Sundowns all-new Mega-Roll v.2 Surround, this subwoofer provides a more linear and rugged update for superior excursion. Coupled with an extended pole piece, it offers incredible four inches of peak-to-peak excursion, achieving 19mm Xmax.
  • Advanced Motor Structure: The X v.4 series boasts a significantly larger triple-stacked 220mm magnet motor structure (compared to 190mm on v.1) for enhanced power and control. A 3" voice coil and improved motor ventilation contribute to its high-performance capabilities and longevity.
  • Unmatched Low-Distortion Bass: The X v.4 differentiates itself with its incredibly linear suspension, designed for the lowest level of bass extension in small enclosures while maintaining extremely low levels of distortion. This ensures clean, accurate, and powerful bass that truly sets a new standard.

Description

Sundown Audio X v.4 8" Subwoofer: Redefining Deep Bass PerformanceUnleash a new standard of low-frequency excellence with the Sundown Audio X v.4 8" Subwoofer. This compact yet incredibly powerful subwoofer is engineered to provide extremely deep bass with exceptional clarity and high power handling, setting a new benchmark in the low-frequency/small-ported-box category. The X v.4 is designed for car audio enthusiasts who demand uncompromising performance, delivering an immersive and impactful audio experience.Extreme Power Handling & Unrivaled Excursion: The X v.4 8" subwoofer is a true powerhouse, offering an impressive 1000 Watts RMS and 2500 Watts Peak power handling. Engineered with an extended pole piece and a substantial 19mm Xmax, it boasts an incredible four inches of peak-to-peak excursion. This allows for truly massive bass reproduction with precise control, ensuring deep, resonant lows that you can both hear and feel, without compromising clarity even at extreme volumes.Revolutionary Design with Mega-Roll v.2 Surround: A key differentiator for the X v.4 series is its all-new Mega-Roll v.2 Surround. This advanced surround design provides a more linear and rugged performance compared to its predecessor, allowing for greater excursion and durability. Coupled with a triple-stacked 220mm magnet motor structure (a significant upgrade from the v.1 series' 190mm), this subwoofer delivers superior force and control over the voice coil, translating into tighter and more accurate bass response.Optimized for Versatile Enclosure Applications: The X v.4 8" is meticulously designed to perform optimally in small ported box enclosures, with a recommended range of 0.75-1.0 cu ft, tuned to 32Hz with 12-16 sq in of port area. For those seeking even greater low-end extension, this versatile subwoofer can also be installed in enclosures up to 50% larger. Its compact 0.13 cu ft displacement, Outside Diameter of 8.71", Cutout of 7.32", and Depth of 7.56" provide flexible installation options.Superior Durability & Distortion Control: Built for the long haul, the X v.4 features a robust 3" voice coil and improved motor ventilation, ensuring superior heat dissipation and reliability during extended play. The incredibly linear suspension system of the X v.4 is engineered to provide the lowest level of bass extension possible in a small enclosure while maintaining extremely low levels of distortion. This meticulous design ensures that every bass note is delivered with precision and fidelity, making it a truly competition-grade subwoofer. With its high Sens (dB @ 1w/1m) of 80.1, it efficiently converts power into sound, giving you impactful performance.

Brand: Sundown Audio


Speaker Maximum Output Power: 1000 Watts


Connectivity Technology: Subwoofer


Audio Output Mode: Mono


Mounting Type: Wall Mount


Audio Output Mode: Mono


Mounting Type: Wall Mount


Enclosure Material: Metal, Plastic


Speaker Type: Multi Room


Additional Features: Bass Boost


Antenna Location: Subwoofer


Is Waterproof: False


Warranty Type: Limited


Speaker Size: 8 Inches


Specific Uses For Product: Home


Speaker Maximum Output Power: 1000 Watts


Connectivity Technology: Subwoofer


Compatible Devices: AV Receivers, Amplifiers


Brand: Sundown Audio


Model Number: SW-XV48D4


Model Name: SW-XV48D4


Built-In Media: Subwoofer, User Manual


UPC: 810111131360


Manufacturer: Sundown Audio


Warranty Description: 1 Year Manufacturer


Unit Count: 1.0 Count


Item Dimensions D x W x H: 7.56"D x 8.5"W x 7.56"H


Audio Driver Size: 8 Inches


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, May 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • I just hope it bangs good as it looks
Size: 8" - Dual 4 Ohm
Can’t wait to put this bad boy in my truck. It looks amazing. Super heavy.
Reviewed in the United States on March 25, 2026 by Jesse Villarreal

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