Document 565 -1 Power Filter Inductor For Zetex ZXCD1000 500 W Class D Solution This toroidal choke was developed for Zetex Semiconductors ZXCD1000 High Fidelity Class D Amplifier Solution. This application provides 500 Wrms into 4 Ohms. The ED0006-AL is the low pass filter for the high frequency switching PWM signal, enabling recovery of the lower frequency audio signal. Request free evaluation samples by contacting Coilcraft or visiting www.coilcraft.com. Part number ED0006-AL Inductance .