ONKYO C200S Audio Remote Control is guaranteed to work with the following Audio System models:

Originally supplied with Audio System models: ONKYO A803, ONKYO AV6000, ONKYO AVF5050, ONKYO MP200, ONKYO MP21, ONKYO P301,

Compatible with Audio System models: ONKYO PCS21, ONKYO PS21, ONKYO R21, ONKYO R21BH,