... ,input:DC15V 3,power:15W+15W 4,SD,USB Anti-theft alarm YT-009 support SD/USB/FMYT ELECTRONIC INTERNATIONAL CO.,LIMITED ... of FOSHAN YATAO ELECTRONIC FACTORY1,motorcycle anti-theft alarm 2,SD:yes 3,USB:yes 4,MP3:yes 5,FM:yes ... :8-15V DC Neg. Ground2,Max. Output:8Volts RMS3,T.H.D:0.01%4,Frequency Response:10Hz-50KHz+/-dB5,S ...