hey guys , i have a pair of spare amps, a hifonics BX2005D , its a 2000 watt amp mono . and a rockford fosgate punch 800.4 and a kicker L7 12", i want to install a nice system in my room, but i am having trouble identifying what kind of AC/DC power supply i need, i found one that converts wall outlet voltage to 13.5 v, and its 10A, si i dont really know if that is a good one, please i need advice,