Stereo Integrity SQL Series 2 15" D2 Subwoofer | 1000W RMS – Precision Sound, Extreme Performance

Unmatched Sound Quality with Hard-Hitting Bass

The Stereo Integrity SQL Series 2 15" D2 Subwoofer is engineered for those who demand pristine sound quality (SQ) with the ability to unleash earth-shaking bass when needed. Built with Finite Element Analysis (FEA) simulation software, this subwoofer maximizes efficiency, performance, and accuracy while maintaining a perfect balance between musicality and high-output capability.

Advanced Engineering for Superior Performance

• SGLC Overhung Motor Topology – Designed for high efficiency and precision bass reproduction.
• 2.75" Solid Copper Winding Voice Coil – Balances power handling and transient response, reducing inductance for ultra-clean sound.
• Black Anodized Aluminum Former – Improves heat dissipation and coil longevity for enhanced durability.
• Aluminum Faraday Ring – Minimizes inductance, increasing bass clarity and transient response.

Optimized Suspension & Cone Design

• 8 3/8" Dual Nomex Spiders – Maintain uniform compliance to reduce suspension distortion and improve excursion control.
• Dual Mirror Flat Woven Leads – Prevent coil rocking and ensure stable, symmetrical movement.
• Naturally Dried, Treated Paper Cone – Delivers rich, deep bass with superior low-frequency reproduction.
• Tall Roll Rubber Surround – Works with the Nomex spiders to provide linear movement and long-lasting durability.

Versatile Enclosure Options for Deep, Clean Bass

Designed for optimal performance in compact enclosures, the SQL Series 2 15" D2 can produce low-end frequencies as deep as 8Hz, making it a standout performer for tight, accurate bass in both sealed and ported enclosures.

Thiele-Small Parameters

Enclosure Recommendations

Why Choose the SQL Series 2 15" D2?

The Stereo Integrity SQL Series 2 15" D2 is the perfect balance between clean sound reproduction and powerful, high-excursion bass. Whether you're an audiophile seeking refined sound quality or a basshead pushing extreme lows, this subwoofer is designed to deliver broad bandwidth performance with maximum efficiency.

Upgrade your system with the Stereo Integrity SQL Series 2 15" D2 Subwoofer – where precision meets power!