hey so i got a new deck, its a jensen lcd dvd screen with navi and everything.. the only thing is for the RCA subwoofer input, there is only 1 plug. the RCA's from my amp have 2 like a right and left. im confused how do i hook it up?

for now i have the subs hooked into rear surround just so there working but i dont think its the same?

let me know what to do

thanks.