If you had two dual 2ohm/coil (2Ω+2Ω) Type S's you could connect them both to the amplifier, and they would each receive around 200w.
I would not use that amplifier w/ two dual 4ohm/coil (4Ω+4Ω) as then each subwoofer would only receive around 100w.
If you wanted to use a single Type R, go with the dual 4ohm/coil version (4Ω+4Ω).