Connecting the speaker cables
Connect the speaker cable to the + speaker terminal (red) and the - speaker terminal (black).
Peel off about 10 mm of sheathing from the tip of the speaker cable, then twist the core wire tightly.
Turn the speaker terminal counterclockwise to loosen it.
Insert the speaker cable’s core wire to the hilt into the speaker terminal.
Turn the speaker terminal clockwise to tighten it.