guess I didn't describe it well , hoped pic would help.
ONLY has A speakers, 1 pair . They are to banana jacks.
you leave the black wire/jack always to the center.
RED one can go either to it's left or right
left is normal (insert headphone jack up front, cuts off speaker)
to the right - (insert headphone jack up front, DOES NOT cut off speaker)
30wpc - passive sub (dual 6.5 design acoustics)