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Home/Equipment/Subwoofers/Sundown Audio/SDDN 12" Limited Edition Competition Subwoofer
Sundown Audio SDDN 12 Subwoofer - 12-inch, Dual Voice Coil, black carbon fiber cone, high-roll rubber surround, large chrome-finished magnet - Black and chrome design
Sundown Audio/Subwoofer

SDDN 12" Limited Edition Competition Subwoofer

3,500 watts RMS Available in 10 through 18-inch versions Dual 1 ohm coils Mega V2 Cone Aluminum 3.3” x 80mm coil Dual 8 AWG terminals with dual-layer tinsel leads Custom cross-cut pole piece with Neodymium cap for increased output and thermal control 5-layer spider 1,336 oz (83.5 lbs) magnet with integrated thermal ventilation Optimized for Ported & 6th order enclosures Carbon cone upgrade available Designed in-house by Sundown Founder Jacob Fuller, the 3,500-watt RMS SDDN is available in 10, 12, 15, and 18-inch models. Each unit boasts a massive 83-pound motor with integrated thermal ventilation, featuring a custom cross-cut pole piece with a Neodymium cap for increased output and thermal control. Sundown’s signature Mega V2 cone is paired with a five-layer spider, a 3.3” x 80mm aluminum voice coil (dual 1-ohm), and dual tinsel leads per eight-gauge terminal.
Used in 0 builds
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Thiele-Small Parameters

Measured at small signal levels per AES standards

Impedance:
Electromechanical
Re(DC resistance)
1 Ω
Excursion
Xmax(Linear excursion)
80 mm
Power Handling
Pe(RMS power)
3500 W

Parameters measured per AES2-1984 (r2003) standards. Small-signal parameters valid within linear operating region.

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Where to Buy
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Sundown Audio

Updated 3/24/2026

$1,079.99Buy Now
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Frequently Asked Questions

What is the Sundown Audio SDDN 12" Limited Edition Competition Subwoofer?

The Sundown Audio SDDN 12" Limited Edition Competition Subwoofer is a car audio equipment made by Sundown Audio. View full specifications and where to buy on this page.

How much does the Sundown Audio SDDN 12" Limited Edition Competition Subwoofer cost?

The Sundown Audio SDDN 12" Limited Edition Competition Subwoofer typically sells for $1080 to $1350 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the Sundown Audio SDDN 12" Limited Edition Competition Subwoofer?

You can purchase the Sundown Audio SDDN 12" Limited Edition Competition Subwoofer from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.

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