RCF LF18X400 The LF18X400 is ideal for use in applications where incredible power handling, long excursion and perfect control is required. Ideal for high quality professional bass reflex and bass-horn systems. The transducer's low frequency extension, coupled with its extremely low generation of harmonic distortion, also makes it ideal for use within critical listening applications such as studio monitoring subwoofer systems. Features: 4-inch Inside/outside copper voice coil 2000 Watt continuous program power handling 97.5 dB Sensitivity 25Hz - 1 kHz Frequency range Progressive, spaced, aluminum demodulation rings Forced air ventilation and 14 mm top plate for minimum power compression Dual spider design with silicon based dampening control Triple-roll surrounds and corrugated straight cone geometry Get Your RCF LF18X400 Today!