Vortex Sound Research

I am trying to understand if I could use something like the Minirig Mini (https://minirigs.co.uk/speakers/bluetooth-minirig-mini-2) which has 2 (two) 3.5mm outputs.

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1. Does this mean if I get a cable that will come out of the two 1/4" jacks from the digitakt and plug them into this mini speaker?
2. Likewise would I be able to connect a single 3.5mm cable from the Novation Circuit Tracks to the Minirig? Would a single cable work or does it need to be two to hear the "stereo" sound?
3. How would I go about connecting the circuit and digitakt in a way that I can hear both from the same speaker?

Thanks