Stereo Integrity SQL Series 2 15" inch D4 Subwoofer | 1000WRMS
Brand : Stereo Integrity
- SKU:
- StereoIntegrity-SQLSeries2-15D4-Subwoofer
Stereo Integrity SQL Series 2 15" D4 Subwoofer | 1000W RMS – Precision Meets Power
High-Performance Sound Quality with Deep, Powerful Bass
The Stereo Integrity SQL Series 2 15" D4 Subwoofer is engineered for audiophiles and bass enthusiasts who demand clean, accurate sound reproduction with the ability to produce gut-wrenching bass when needed. Designed using Finite Element Analysis (FEA) simulation software, this subwoofer balances musical precision and high-output capability, making it the perfect blend of Sound Quality Loud (SQL).
Advanced Motor & Voice Coil Technology
- SGLC Overhung Motor Design – Provides superior efficiency and low distortion for crystal-clear bass.
- 2.75" Solid Copper Winding Voice Coil – Balances inductance and motor force for responsive, controlled output.
- Black Anodized Aluminum Former – Enhances heat dissipation for greater durability and power handling.
- Aluminum Faraday Ring – Lowers inductance to improve transient response and overall bass accuracy.
Optimized Suspension & Cone Structure
- 8 3/8" Dual Nomex Spiders – Provides a linear compliance curve, minimizing distortion and improving excursion control.
- Dual Mirror Flat Woven Leads – Ensures symmetrical movement and prevents coil rocking.
- Naturally Dried, Treated Paper Cone – Designed for optimal low-frequency reproduction and dynamic bass response.
- Tall Roll Rubber Surround – Works with the suspension system to provide balanced movement and high excursion capability.
Versatile Enclosure Options for Maximum Performance
The SQL Series 2 15" D4 is built for exceptional performance in small sealed enclosures and small to medium ported enclosures. With an extended low-frequency range capable of reaching 8Hz in a sealed box, this subwoofer delivers deep, impactful bass with unmatched clarity.
Thiele-Small Parameters
| Re | 3.25 Ohms |
| Fs | 23.8 Hz |
| Qes | 0.45 – |
| Qms | 5.83 – |
| Qts | 0.42 – |
| Le | 2 mH |
| Sd | 130.17 square inches |
| Vas | 115 Liters |
| BL | 20.417 Tesla Meters |
| Mms | 388.55 grams |
| Cms | 115 µM/N |
| Xmax | 28.4 mm one-way 70% BL |
| SPL | 95 dB |
Enclosure Recommendations
| Sealed Enclosure Volume | 2 cubic feet |
| Ported Enclosure Volume | 4.25 cubic feet |
| Ported Enclosure Tuning | 22 Hz |
Why Choose the SQL Series 2 15" D4?
If you're looking for a subwoofer that delivers accurate, clean bass while maintaining the power to hit extreme lows, the Stereo Integrity SQL Series 2 15" D4 is the perfect choice. Whether you're an audiophile seeking refined sound quality or an SPL competitor pushing deep bass, this subwoofer provides broad bandwidth performance and superior efficiency.
Upgrade your system with the Stereo Integrity SQL Series 2 15" D4 Subwoofer – engineered for ultimate bass clarity and power!
