Home/Equipment/Subwoofers/Sundown Audio/SD-Series v.4 12" Neo Subwoofer

SD-Series v.4 12" Neo Subwoofer

RMS 600 watts Dual 2 or 4 ohm voice coils Optimized for small, sealed enclosures Lightweight Neodymium motor Computer-optimized foam “w” surround Two-inch 8-layer copper voice coil Large aluminum Faraday ring for smooth acoustic response Patented high strength cast aluminum frame Low distortion motor construction High-temperature voice coil wire Spring-loaded terminals Stitched-on tinsel lead wires The SD-4 series truly is a world-class sound quality woofer with low mounting depth, small box requirements, yet extraordinarily high power handling. It's the ideal choice for anyone seeking a high-quality, low-mounting-depth subwoofer that performs hammers in small enclosures. With enhanced mechanical durability and superb sound quality, you get the perfect marriage of form and function.

Used in 0 builds

View All Sundown Audio Subwoofers

Specifications

rms watts

600 W

impedance ohms

4 Ω

voice coil config

DVC

Thiele-Small Parameters

Measured at small signal levels per AES standards

Impedance:

Electromechanical

R_e(DC resistance)

4 Ω

Power Handling

P_e(RMS power)

600 W

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

Where to Buy

Updated 6/18/2026

Search for this product on Amazon

Price and availability may vary. Click to verify current pricing.

Need this installed?

Browse 42+ professional car audio installers in our network

Find an Installer

Frequently Asked Questions

What is the Sundown Audio SD-Series v.4 12" Neo Subwoofer?

The Sundown Audio SD-Series v.4 12" Neo 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 SD-Series v.4 12" Neo Subwoofer cost?

The Sundown Audio SD-Series v.4 12" Neo Subwoofer typically sells for $210 to $264 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 SD-Series v.4 12" Neo Subwoofer?

You can purchase the Sundown Audio SD-Series v.4 12" Neo 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.