Sundown SA-Series v.3 12″ D2 Car Audio Subwoofer
1500 W RMS 12-inch dual 2-ohm cast-frame subwoofer
$449.99
Overview
The Sundown SA-Series v.3 12-inch D2 is rated 1500 W RMS / 3000 W peak on dual 2-ohm voice coils with about 22 mm Xmax. A 2.75-inch aluminum voice coil former, Faraday rings, cast aluminum frame, and multi-layer spider target high excursion with lower distortion. Recommended sealed volume is about 1.0 cu ft; ported about 1.75 cu ft near 35 Hz.
Product details
v.3 upgrades
Versus SA v.2, the v.3 adds coil length for ~22 mm linear Xmax, taller cones, wider spiders, and a locked-in Faraday ring held by the T-yoke.

Motor and cooling
Vented magnetic gap with solid pole and vent channels, aluminum 2.75-inch former, magnet ID Faraday ring, and pole-cap Faraday ring for smoother response.

Enclosure guidance
Sealed about 1.0 cu ft; ported about 1.75 cu ft with 26 sq in port area at 35 Hz. Mounting depth about 8.4 inches.
Key features
- 12-inch SA-Series v.3 subwoofer
- 1500 W RMS / 3000 W peak
- Dual 2-ohm voice coils (D2)
- About 22 mm one-way linear Xmax
- 2.75" aluminum voice coil former
- Magnet ID and pole-cap Faraday rings
- Cast aluminum frame
- Stitched double XL tinsel leads
- Spring-loaded terminals
Specifications
| Brand | Sundown |
|---|---|
| Model | SA v.3 12 D2 |
| SKU | SA12D2V3 |
| Product type | Subwoofer |
| Size | 12 inch |
| Voice coils | Dual 2 ohm |
| RMS power | 1500 W |
| Peak power | 3000 W |
| Xmax | 22 mm |
| Mounting depth | 8.4" |
| Sealed volume | 1.0 cu ft |
| Ported volume | 1.75 cu ft |
| Size | 12 inch |
Important notes
- Requires a compatible amplifier and enclosure (sold separately)
- Dual 2-ohm coils — make sure wiring for the intended final load
- Deep mounting depth (~8.4") — check clearance
- Professional installation recommended
What's in the box
- Sundown SA-Series v.3 12" D2 subwoofer
- Mounting hardware as packaged



