Soundqubed HDX4 18" D1 Subwoofer | 2000W RMS
Brand : Soundqubed
- SKU:
- Soundqubed-HDX4-18D1-Subwoofer
Soundqubed HDX4 18" D1 Subwoofer | 2000W RMS – Maximum Bass for Extreme Builds
Deep, Powerful, and Precision-Tuned for Competition-Grade Performance
The Soundqubed HDX4 18" D1 Subwoofer is built for serious bass enthusiasts who demand earth-shaking low frequencies, extreme durability, and competition-level performance. With 2000W RMS and a peak power of 6000W, this subwoofer delivers unrivaled bass depth and clarity. Designed as an evolution of the HDC series, the HDX line enhances low-frequency response, efficiency, and long-term durability, setting a new benchmark for high-output subwoofers.
Extreme Power & High-Excursion Performance
2000W RMS / 6000W Peak Power – Built to handle massive wattage with ease.
4" Dual 1-Ohm Voice Coil – Provides high-efficiency wiring for maximum amplifier performance.
High-Excursion Suspension – More cone travel for harder-hitting, deeper bass.
Fs: 22.8 Hz – Engineered for ground-shaking low-end frequencies.
Sensitivity: 87.95 dB – Converts power efficiently for high SPL output.
Xmax: 31mm – Designed for massive excursion and extreme bass impact.
Built for Durability & Longevity
Fiberglass-Reinforced Pulp Cone – Ultra-strong yet lightweight for enhanced durability.
High-Roll Surround & Large Spiders – Provides greater cone travel for extreme bass output.
Black-Anodized Aluminum Former – Improves heat dissipation and extends coil life.
American-Made Wire & Adhesives – Ensures high thermal resistance for extreme power handling.
403 oz Magnet Structure – Delivers powerful motor force and distortion-free bass.
Optimized for Cooling & Airflow
Cast Aluminum Basket – Enhances airflow and heat dissipation for maximum cooling.
Advanced Cooling System – Prevents overheating, allowing for extended high-output playtime.
Recommended Enclosure & Tuning
Ported Enclosure: 5 – 7 cu ft – Designed for deep, thunderous bass response.
Mounting Depth: 11 5/8” – Fits seamlessly into high-performance enclosures.
Circle Cutout: 16 9/16” – Precision-fit for an easy installation process.
Why Choose the HDX4 18" D1?
The Soundqubed HDX4 18" D1 Subwoofer is built for competitors and serious bass lovers who want deep, hard-hitting, and competition-grade bass. With high-efficiency performance, extreme durability, and SPL-ready power, this subwoofer ensures every bass hit is precise, powerful, and distortion-free.
Upgrade your system with the Soundqubed HDX4 18" D1 and experience the next level of bass power!
Order now and take your bass to extreme levels!
| Model | HDX412 | HDX415 | HDX418 |
|---|---|---|---|
| RMS Power | 2000 W | 2000 W | 2000 W |
| Peak Power | 6000 W | 6000 W | 6000 W |
| Magnet Weight | 403 oz | 403 oz | 403 oz |
| Coil Diameter | 4" | 4" | 4" |
| Woofer Size | 12" | 15" | 18" |
| F(s) | 30.95 Hz | 29.61 Hz | 22.8 Hz |
| Impedance | D1/D2 | D1/D2 | D1/D2 |
| Z(max) | 21.2 Ohms | 22.43 Ohms | 19.3 Ohms |
| Q(ms) | 3.664 | 4.047 | 4.568 |
| Q(es) | 0.344 | 0.3658 | 0.4852 |
| Q(ts) | 0.3145 | 0.3355 | 0.4386 |
| V(as) | 24.93 Liters | 55.04 Liters | 163.3 Liters |
| L(e) | 0.7672 | 0.8143 | 2.477 |
| n(0) | 0.205% | 0.372% | 0.384% |
| M(ms) | 422 grams | 500.3 grams | 616.8 grams |
| C(ms) | 0.063 | 0.058 | 0.078 |
| Sensitivity (1W/1m) | 85.22 dB | 87.81 dB | 87.95dB |
| BL | 20.84 | 21.75 | 18.4 |
| Xmax | 21 | 21 | 31 |
| Sd | 260.4 mm | 323.9 mm | 393.7 mm |
| Displacement | 0.2³ | 0.22³ | 0.32³ |
| Mounting Depth | 8 5/8" | 9 3/8" | 11 5/8" |
| Circle Cutout | 11 3/8" | 13 7/8" | 16 9/16" |
| Ported Enclosure (Cu Ft): | 1.75-2.75 FT³ | 3-6 FT³ | 5-7 FT³ |
