i had 2 alts ,a 200 amp and 175 amp adjustable voltage they were 550 alone ,then i had 200 ft of wire at 175 per roll ,my box that has alot of time in it prolly 3-400 in that alone without the ports.then subs amps and batts.i can arrange for you to get some deks batts pretty cheap in ontario .i had 5k in my system easy .but i can be done for less ,if you know what to do and what to get