Ancable FM Antenna and AM Loop Antenna for Bose AV3-2-1 Media Center System AV 321 I II , Doesn't Work With Bose Wave IV and Bose Acoustic Wave II Replacement Bose AM and FM Loop Antenna for Lifestyle Music or Media Center Models # 18/20/25/30/28/35/38/48/50/AV321 Please note, the adapter inside is just in case your socket doesn't match and then you could use a adapter to try Pls note this antenna couldn't be used on BOSE WAVE