Sundown U-Series v.2 15″ D4 Car Audio Subwoofer
2000 W RMS 15-inch dual 4-ohm high-excursion subwoofer
$699.99
Overview
The Sundown U-Series v.2 15-inch D4 is rated 2000 W RMS / 4000 W peak on dual 4-ohm voice coils. An aluminum 3-inch voice coil former, high-temperature copper coil, and U-series motor package target high output in small ported or band-pass enclosures. Pair with a matching high-power amplifier and carefully designed box.
Product details
U v.2 power
Rated 2000 W RMS / 4000 W peak with dual 2-ohm or dual 4-ohm coils. This listing is D4.

Build
Aluminum 3-inch voice coil former for heat dissipation, high-temperature copper voice coil, and U-series cast platform.

Enclosure focus
Optimized for small ported or band-pass enclosures per manufacturer positioning.
Key features
- 15-inch U-Series v.2 subwoofer
- 2000 W RMS / 4000 W peak
- Dual 4-ohm voice coils (D4)
- Aluminum 3" voice coil former
- High-temperature copper voice coil
- Optimized for small ported / band-pass
Specifications
| Weight | 53.75 lbs |
|---|---|
| Dimensions | 19.5 × 19.5 × 18 in |
| Brand | Sundown |
| Model | U v.2 15 D4 |
| SKU | U15D4 |
| Product type | Subwoofer |
| Size | 15 inch |
| Voice coils | Dual 4 ohm |
| RMS power | 2000 W |
| Peak power | 4000 W |
| Voice coil former | 3" aluminum |
| Size | 15 inch |
Important notes
- Requires a high-power amplifier and enclosure (sold separately)
- Make sure dual 4-ohm wiring for the intended final load
- Professional installation recommended
What's in the box
- Sundown U-Series v.2 15" D4 subwoofer
- Mounting hardware as packaged



