Sundown X-Series XV4 15″ D2 Competition Subwoofer
2750 W RMS 15-inch dual 2-ohm competition subwoofer
$750.00
Overview
The Sundown X-Series XV4 15-inch D2 is rated 2750 W RMS / 5500 W peak on dual 2-ohm voice coils with 30 mm Xmax. An optimized ~9.25-inch motor and X v.4 coil design target competition-level output in ported boxes around 4.25 cu ft tuned near 32 Hz. Cone area is about 72.58 in² on the shared XV4 15-inch platform.
Product details
XV4 15 power
Rated 2750 W RMS / 5500 W peak. Coil options are D2 and D1 on the same product page. This listing is the D2 (dual 2-ohm) coil option.

Excursion and motor
30 mm Xmax with an optimized motor about 9.25 inches in diameter on the X v.4 platform. Published cone area is about 72.58 in². Mounting cutout, mounting depth, and box displacement are not listed as separate figures on the manufacturer product page for this model.

Enclosure guidance
Recommended ported box about 4.25 cu ft tuned to 32 Hz. The page also notes custom setups such as 4th-order designs are possible.
Key features
- 15-inch X-Series XV4 subwoofer
- 2750 W RMS / 5500 W peak
- Dual 2-ohm voice coils (D2)
- 30 mm Xmax
- X v.4 coil design
- Motor diameter about 9.25"
- Cone area about 72.58 in²
- Ported guidance about 4.25 cu ft @ 32 Hz
Specifications
| Weight | 93.7 lbs |
|---|---|
| Dimensions | 19 × 19 × 15.25 in |
| Brand | Sundown |
| Model | XV4 15 D2 |
| SKU | X415 |
| Manufacturer SKU | SW-XV415D2 |
| UPC | 810111135405 |
| Product type | Subwoofer |
| Size | 15 inch |
| Voice coils | Dual 2 ohm |
| RMS power | 2750 W |
| Peak power | 5500 W |
| Xmax | 30 mm |
| Motor diameter | 9.25" |
| Cone area | 72.58 in² |
| Ported volume | 4.25 cu ft |
| Port tuning | 32 Hz |
| Size | 15 inch |
Important notes
- Requires a competition-capable amplifier and enclosure (sold separately)
- Make sure dual 2-ohm wiring and amplifier stability before install
- Professional installation strongly recommended
What's in the box
- Sundown X-Series XV4 15" D2 subwoofer
- Mounting hardware as packaged



