Can Submarine Pickups be used in stereo or summed to mono?

Can the SubPro provide more than two channels of output?

What sort of interface should I plug the 6 outputs of the SubSix into?

I would like to combine the sound from two of my guitar outputs into one amp – how can I do this?

What are the three switch positions on the Submarine?

What are the three switch positions on the SubPro?

With the SubPro, can one string be routed to two outputs?