me and a mate are doing a gig together, both of us are using backing tracks/ipads and a mic each. is it possible to both use our own tonematch and link through master outputs. quite a large stage so both running through I tonematch is awkward .
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I would run the two systems completely independently. That is, each of you bring your own system and play through it. No need to connect them in any way.
This means you get to manage your sound just like you would without amplification. The two of you managing your individual sound.
Check out this video: The L1® Approach and the History of Amplification
This explains why you don't need to link the two systems. By the way, if you do connect the two L1s you lower your gain-before-feedback and lose the Cocktail Party Effect.
Does that help?