Denon 324010001003D DM-A409EM MICROPHONE Works with the following models: Denon AVR1609, Denon AVR1610, Denon AVR1709, Denon AVR1909 Denon AVR1910, Denon AVR2309CI, Denon AVR2809CI, Denon AVR589, Denon AVR590, Denon AVR689