two pairs of RCA's or one 4 channel - basically figure one RCA for each amplifier channel you plan on running. if you ever plan on using the 5th channel, run 6 RCA's now.
two pairs of RCA's or one 4 channel - basically figure one RCA for each amplifier channel you plan on running. if you ever plan on using the 5th channel, run 6 RCA's now.