The Harman-Kardon AVR225 Receiver Remote Control is originally supplied with Audio/Video Receiver models: Harman-Kardon AVR320, Harman-Kardon AVR510, Harman-Kardon AVR520, Harman-Kardon AVR525, Harman-Kardon AVRS25, Harman-Kardon E10, Harman-Kardon HKAVR525,

The Harman-Kardon AVR225 Receiver Remote Control is compatible with Audio/Video Receiver models: Harman-Kardon ACR520, Harman-Kardon ANR520, Harman-Kardon AR225, Harman-Kardon ARV520, Harman-Kardon AUR520, Harman-Kardon AVR220, Harman-Kardon AVR225, Harman-Kardon AVR2255, Harman-Kardon AVR275, Harman-Kardon AVRS20