Sundown Audio X-Series XV4 15" SubwooferThe Sundown Audio X-Series XV4 15" Subwoofer is built for serious bass lovers who demand extreme power and precision in their sound system. Featuring the advanced X v.4 coil design, this subwoofer delivers a massive 2750W RMS and 5500W peak power while maintaining outstanding clarity and control. Whether you're upgrading your car audio or building a competition-level system, the XV4 delivers thunderous low frequencies that stay tight and accurate. Every element is crafted to deliver unmatched performance and reliability.
Impedance Options: Available in Dual 1-Ohm voice coil configurations for flexible amplifier matching.
The XV4 is the definition of high-output audio, delivering clean power without compromise:
Massive Power Handling: 2750W RMS / 5500W Peak output for relentless, non-stop bass.

Class-Leading Excursion: Features an incredible 30mm Xmax to ensure maximum linear cone movement and minimal distortion.

Motor Strength: Built with a powerful 9.25" diameter motor for superior force and dynamic control (high BL (27.44 NA) factor).

Air Displacement: The large 72.58 in² cone area provides maximum air displacement for deeper, louder lows.

High Efficiency: Maintains a strong 85.1 dB Sensitivity, maximizing output from your amplifier power.

Engineered for flexibility, the XV4 15″ is designed to excel in various high-performance setups:
Optimal Ported Enclosure: Works best in ported enclosures with 4.25 cu ft net volume tuned to 32 Hz (68 sq in port area).

Advanced Builds: Supports complex 4th order setups (2.0 cu ft sealed side / 6.0 cu ft ported side) for custom performance.

Acoustic Tuning: An ideal Qts (0.44) and low Fs (29.51 Hz) confirm its suitability for high-efficiency vented enclosures.

Mounting Specs: Requires a dedicated 12.95" mounting depth with a 13.93" cutout and 15.51" OD.

The Sundown XV4 is the professional choice, combining engineering excellence and raw power for a truly transformative bass impact.