Soundqubed HDX3 15" D2 Subwoofer | 1500W RMS
Brand : Soundqubed
- SKU:
- Soundqubed-HDX3-15D2-Subwoofer
Soundqubed HDX3 15" D2 Subwoofer | 1500W RMS – Competition-Ready Power & Performance
Unleash Extreme Low-End Bass with Precision & Durability
The Soundqubed HDX3 15" D2 Subwoofer is built for SPL competitors and serious bass enthusiasts who demand powerful, deep, and distortion-free bass. With 1500W RMS and an explosive 4500W peak power, this heavy-duty subwoofer is engineered to handle extreme power while maintaining efficiency and control. Featuring a Made in the USA dual voice coil, an upgraded motor, and superior cooling technology, the HDX3 15" D2 is optimized for competition and high-performance car audio systems.
Unmatched Power & Performance
1500W RMS / 4500W Peak Power – Built for high-output bass with precision.
3" Dual 2-Ohm Voice Coil – Allows for versatile wiring and amplifier compatibility.
Fs: 26 Hz – Tuned for deep, resonant low frequencies.
Sensitivity: 87.41 dB – Ensures high SPL output and power efficiency.
Xmax: 36mm – Allows for massive excursion and thunderous bass.
Engineered for Strength, Longevity & High Excursion
Thick Top Plate & High Motor Force – Delivers tight, controlled bass with maximum efficiency.
Cast Aluminum 4-Spoke Frame – Provides structural integrity and long-term durability.
High-Roll Surround & Pulp-Blend Cone – Stronger, lighter, and optimized for extreme excursion.
Black-Anodized Aluminum Former – Enhances heat dissipation for extended coil life.
Double Slit Venting & High-Temp Resin – Ensures maximum cooling for extended performance.
Advanced Cooling & Airflow System
Precision Airflow Design – Prevents overheating for continuous high-power bass output.
Optimized Heat Dissipation – Keeps your subwoofer cool and efficient under heavy loads.
Recommended Enclosure & Tuning
Ported Enclosure: 3 – 6 cu ft – Designed for optimal low-end response and deep bass extension.
Mounting Depth: 9 1/2” – Built for high-performance enclosure setups.
Circle Cutout: 13 7/8” – Precision-fit for easy installation.
Why Choose the HDX3 15" D2?
The Soundqubed HDX3 15" D2 Subwoofer is the perfect choice for competitors, bassheads, and serious car audio enthusiasts who need deep, powerful, and competition-grade bass. With high-efficiency performance, extreme durability, and SPL-ready power, this subwoofer ensures every bass hit is deep, tight, and distortion-free.
Upgrade your system with the Soundqubed HDX3 15" D2 and feel the power of true low-end bass!
Order now and take your bass to the next level!
Specifications
| Model | HDX310 | HDX312 | HDX315 | HDX318 |
| RMS Power | 1500 W | 1500 W | 1500 W | 1500 W |
| Peak Power | 4500 W | 4500 W | 4500 W | 4500 W |
| Magnet Weight | 300 oz | 300 oz | 300 oz | 300 oz |
| Coil Diameter | 3" | 3" | 3" | 3" |
| Coil Length | 50 mm | 50 mm | 50 mm | 50 mm |
| Usable Throw | 68 mm | 68 mm | 68 mm | 68 mm |
| Woofer Size | 10" | 12" | 15" | 18" |
| F(s) | 30.04 Hz | 26.92 Hz | 26 Hz | 27.59 Hz |
| Impedance | D1/D2 | D1 / D2 | D1 / D2 | D1 / D2 |
| Q(ms) | 4.88 | 4.95 | 4.847 | 5.777 |
| Q(es) | 0.285 | 0.3409 | 0.3665 | 0.4724 |
| Q(ts) | 0.267 | 0.3189 | 0.3408 | 0.4367 |
| V(as) | 12.98 Liters | 28.59 Liters | 78.08 Liters | 168.6 Liters |
| M(ms) | 281.4 grams | 440.9 grams | 472.8 grams | 410.9 grams |
| C(ms) | 0.074 | 0.079 | 0.082 | 0.081 |
| Sensitivity 1W/1m | 83.9 dB | 84.03 dB | 87.41 dB | 90.64 dB |
| Xmax | 36mm | 36mm | 36mm | 36mm |
| Sd | .044 m2 | 0.051 m2 | 0.082 m2 | .121 m2 |
| Displacement | 0.14³ | 0.16³ | 0.18³ | 0.23³ |
| Mounting Depth | 7 13/16" | 8 7/8" | 9 1/2" | 10.5" |
| Circle Cutout | 9 3/8" | 11 1/2" | 13 7/8" | 16 9/16" |
| Ported Enclosure (Cu Ft): | 1.25-1.75 FT³ | 1.75-2.75 FT³ | 3-6 FT³ | 5-7 FT³ |
