NEW ReCone Kit for LASE RK 21LW-2400 21" - Low Frequency Woofer Speaker with 5" Voice Coil. LASE RK 21LW-2400 an 21" subwoofer speaker intended for use in application where incredible power handling, long excursion and perfect control are required.it is ideal for high quality professional bass reflex and bass - horn speaker systems. The LASE RK 21LW-2400 uses a fiber-loaded cone assembly along with a high excursion triple roll, constant geometry surround, thereby providing a much smoother transition for the moving mass as it reaches its maximum excursion limits.Also included is a forced air venting system for reduced power compression. The LASE 21LW-2400 is a popular replacement speaker for EAW, Yorkville ,Sonic,Martin Audio and other subwoofer speaker systems. Highlights High BL low frequency Driver with deep, punchy bass. 5" diameter inside/outside copper voice coil on fiberglass former. 2,400 watt continuous program power handling. Forced air ventilation and 15 mm top plate for minimum power compression. Dual spider design with silicon-based Damping control. Triple roll surround and corrugated straight cone geometry. Good sensitivity,low distortion,extraordinary definition. Product Specification : Nominal Diameter : 21" Power Handling (rms) : 1000 watts. Power Handling (max) : 2400 watts Impedance : 8 ohm. Frequency Response : 20 - 1,000 Hz. Sensitivity : 97.5 db 2.83V/1m Voice Coil Diameter : 5" Most Orders Placed Before 2PM and Paid thru PayPal Are Shipped The Same Day; Monday to Friday