LF18X400 – 18″ High-Power Subwoofer Driver

The professional-grade 18-inch high-excursion woofer, engineered for superior low-frequency performance in demanding audio applications. Built for both durability and sound quality, it features a 4-inch dual-layer voice coil with in/out winding, ensuring excellent thermal management and high power handling. With a robust RMS power rating of 1250 watts and program power of 2500 watts,  delivers deep, tight bass and high sound pressure levels without distortion LF18X400-18” High-power Subwoofer Driver. 

The driver utilizes a Y35-grade ferrite magnet system (220×110×25 mm) that provides a strong, stable magnetic field for increased efficiency. Coupled with a 98dB sensitivity rating, the woofer is capable of producing high output levels with relatively low power input—making it ideal for both portable and installed sound reinforcement systems.

Its heavy-duty cast aluminum basket offers mechanical stability, minimizing unwanted resonances and ensuring long-term reliability even under rigorous use. The  has a frequency response range of 36Hz to 2kHz, allowing it to function effectively in both subwoofer and low-mid applications.

This woofer is optimized for use in bass reflex and bandpass enclosures, and is well-suited for a variety of professional settings, including live sound reinforcement, portable PA systems, clubs, theaters, and other fixed installations. Whether used as part of a large-scale sound system or as a standalone subwoofer in smaller setups, the LF18X400 delivers consistent, high-impact performance.

With its combination of power, precision, and durability, the LF18X400 is an ideal choice for audio professionals seeking reliable, high-output low-frequency drivers for a wide range of sound reinforcement applications.