38.10 cm (15") WOOFER & MAGNET TWEETER, 150 WATTS RMS OUTPUT , SIDE  PANEL CONTROL , RECHARGEABLE BATTERY, WITH ECHO / DELAY /  CONTROLS FOR KARAOKE SINGING,MICROPHONE  RECORDING,2 PCS  GUITAR INPUT WITH CONTROL AND 2 PCS WIRED MICROPHONE INPUT , TWS PAIRING, RCA INPUT / OUTPUT, REMOTE CONTROL.