The RCA 257407 Audio Remote Control is originally supplied with Audio System models: RCA RS2601, RCA RS2602, RCA RS2603, RCA RS2604, RCA RS2606, RCA RS2612, RCA RS2614,
The RCA 257407 Audio Remote Control is compatible with Audio System models: RCA RS2518, RCA RS2519, RCA RS2519B, RCA RS5219,