20.32 cm (8") WOOFER  & MAGNET  H.F .60 WATTS RMS OUTPUT , FRONT PANEL CONTROL, RECHARGEABLE  BATTERY, WITH ECHO & REVERB CONTROLS FOR KARAOKE SINGING , RECORDING WITH LYRICS, GUITAR INPUT WITH SEPERATE CONTROL,WIRED MICROPHONE INPUT ,  RCA INPUT & OUTPUT,  REMOTE CONTROL.