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