For the Mains, you can choose between:
SBS-02 Pair of Bookshelves
SCS-02M Pair of MTM Bookshelves
STS-02 Pair of Floorstanders
For the center, you can choose between:
SCS-02 Center
STS-02 Single (this is a single Floorstander from the pair of Floorstanders, but since the packaging is separate, i can make the exception of selling separately, but there will be no choosing of left or right, it will be random)
For the surrounds, you can choose between:
SSS-02 Pair of Bipole speakers
SCS-02M Pair of MTM speakers (perfect for multichannel music, this is distinct from concert surround sound)
SBS-02 Pair of Bookshelves
STS-02 Pair of Floorstanders
For the surround back, same options as the surrounds above: