i need a solution to connect more than one siren to a circuit using extrnal power supply(12v 1A) and my circuit supports only one siren (12v 350ma). so i need a circuit to do this, what i have
1. i have a driver circuit 12v 350 ma(can operate only one siren)
2. power supply 12v 1ma
3. and sirens (12v 350ma)