Yes, it's the same process as paralleling two svc. It would give you a total 1ohm load, so make sure your amp can handle it. + from amp to + vc sub1, - from amp to - vc sub 1. + Sub1 to +sub2, - Sub1 to - sub2, +sub2 to +sub3, -sub2 to -sub3. I believe that's how to do it.