@@punitverma9233 Sir maximum cheeje 12 volts DC pe kaam karti hai there is a smps which converts AC current to Dc matlab a power board hota hai jo DC banata hai.. any music system, any Pc power supply, TV all have SMPS for converting AC to DC . ab aapke paas kya hai wo bataeye tab hi to bata payenge ki konsa theek rahega.