Anti-theft alarm YT-009 SUPPORT SD/USB/FM 1,anti-theft alarm 2,input: ... ,power:15W+15W 4,SD,USB Anti-theft alarm YT-009 support SD/USB/FMYT ELECTRONIC INTERNATIONAL CO.,LIMITED is subsidiary ... :8-15V DC Neg. Ground2,Max. Output:8Volts RMS3,T.H.D:0.01%4,Frequency Response:10Hz-50KHz+/-dB5,S ...