Insane Power Output: Experience deep, hard-hitting bass with up to 4000W Peak and 2000W RMS power handling, making the XCW151 ideal for SPL competitors and serious bassheads. Engineered for Extreme Low Bass: With an extended 30mm Xmax (one-way), high-roll foam surround, and an enhanced woven fiber paper cone, this subwoofer delivers thunderous and accurate low frequencies. Heavy-Duty Build for Maximum Performance: Features a precision die-cast aluminum basket with reinforced X bracing to ensure strength and stability under extreme excursion. Advanced Thermal Cooling System: Includes a vent cooling spacer, high-velocity pole vent, and a one-piece T-yoke with vented magnet gap to keep the 3" high-temp aluminum voice coil running cool. Built to Handle Pressure: A 4-layer linear roll spider with integrated tinsel leads, a 409 oz. triple-stacked ferrite magnet, and 4-gauge hex key speaker terminals ensure durability and consistent performance. Unleash the ultimate bass experience with the NVX XCW151 15" X-Series Dual 1-Ohm SPL Subwoofer. Designed for audiophiles and SPL competitors alike, this sub delivers an explosive 4000 watts peak and a solid 2000 watts RMS, all while maintaining control, clarity, and extreme low-end punch. At the heart of the XCW151 is a powerful motor system featuring a 409 oz. triple-stacked ferrite magnet, 3" high-temperature aluminum voice coil, and a reinforced die-cast aluminum basket that can handle the rigors of high-performance bass. The 30mm Xmax, custom high-roll foam surround, and enhanced woven fiber composite cone work together to move serious air while retaining audio precision. A vented T-yoke, cooling spacer, and high-velocity pole vent provide superior airflow for efficient cooling, allowing the XCW151 to stay cool during extended, high-volume use. Its 4-layer linear roll spider with integrated tinsel leads ensures reliability and linearity even at high excursion. Ideal for a ported enclosure (recommended 4.25 cubic feet), this monster subwoofer boasts a frequency response of 20–200 Hz, resonance frequency of 34 Hz, and a sensitivity rating of 87.3 dB. Compliant with CTA-2031 standards, the XCW151 is your go-to for uncompromising power, precision, and performance.