DIGITAL MULTI-ROOM WIRELESS AUDIO IPOD SPEAKER SYSTEM INCLUDES 1 STEREO BASE WITH BUILT-IN SUBWOOFER & 1 STEREO SATELLITE WIRELESS SPEAKER WITH BUILT-IN SUBWOOFER TRANSMITS TO UP TO 4 EOS WIRELESS SPEAKERS EOS GIGAWAVE TECHNOLOGY BROADCASTS INTERFERENCE-FREE WIRELESS HOME AUDIO UP TO 150 FT INDOORS & 300 FT OUTDOORS SRS WOW TECHNOLOGY ENSURES SUPERIOR SOUND QUALITY INCLUDES REMOTE TO CONTROL THE BASE & CORE IPOD FUNCTIONS 1 AUX CABLE FOR CONNECTING OTHER AUDIO DEVICES & 5 UNIVERSAL IPOD ADAPTERS FOR OLDER-GENERATION IPOD MODELS BLACK