Soundqubed HDX3 15" D1 Subwoofer | 1500W RMS
Brand : Soundqubed
- SKU:
- Soundqubed-HDX3-15D1-Subwoofer
Soundqubed HDX3 15" D1 Subwoofer | 1500W RMS – Competition-Grade Bass Power
Extreme Bass Performance for Serious Sound Systems
The Soundqubed HDX3 15" D1 Subwoofer is designed for SPL competitors and serious bass enthusiasts who demand hard-hitting, competition-grade bass. With 1500W RMS and 4500W peak power, this heavy-duty subwoofer delivers deep, powerful low frequencies with high efficiency. Featuring a Made in the USA dual voice coil, a reinforced motor structure, and an advanced cooling system, the HDX3 15" D1 sub is built to handle extreme power and long play sessions.
High-Powered Performance & Precision Engineering
1500W RMS / 4500W Peak Power – Built to handle high-output bass with precision.
3" Dual 1-Ohm Voice Coil – Provides efficient power handling and flexible wiring options.
Fs: 26 Hz – Engineered for deep, accurate low-end response.
Sensitivity: 87.41 dB – Optimized for high SPL output and efficiency.
Xmax: 36mm – Allows for massive excursion and distortion-free bass.
Built for Strength, Durability & Maximum Excursion
Thick Top Plate & High Motor Force – Ensures tight, controlled bass with superior efficiency.
Cast Aluminum 4-Spoke Frame – Designed for 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 and coil longevity.
Double Slit Venting & High-Temp Resin – Provides maximum cooling for extended performance.
Optimized for High SPL & Efficient Cooling
Enhanced Airflow System – Prevents overheating during extreme bass output.
Advanced Heat Dissipation Technology – Keeps your subwoofer running cool at peak power levels.
Recommended Enclosure & Tuning
Ported Enclosure: 3 – 6 cu ft – Designed for optimal low-end extension and deep bass response.
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" D1?
The Soundqubed HDX3 15" D1 Subwoofer is the ultimate choice for bassheads, competitors, and serious audiophiles who crave deep, powerful, and competition-grade bass. With high-efficiency performance, extreme durability, and SPL-ready power, this subwoofer ensures every bass hit is tight, powerful, and distortion-free.
Upgrade your system with the Soundqubed HDX3 15" D1 and experience bass like never before!
Order now and bring massive, competition-level bass to your build!
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 |
