The　theory　of　superframes　is　widely　used　in　multiplexing　techniques.　In　this　paper,　we　obtain　a　characterization　of　weak　affine　super　bi-frames　in　reducing　subspaces　of　L-2(R,　C-L).　Our　results　are　new　even　in　L-2(R,　C-L).　Some　examples　are　also　provided.