16 channels of passive, analog summing in one tiny box.
The SB2 is an 8/16x2 passive summing mixer in a ultra-compact format. Using minimal, completely passive circuitry, it sums 8 or 16 balanced line inputs down to a single set of stereo mic-level outputs. Pair the SB2 with your favorite pair of mic preamps to add glue and color to your
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Fantastic little box with big results
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Jason · September 21, 2026
Great little box.
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Giancarlo · June 11, 2026
This thing is wild. Took like 30 minites to assemble (and I’m not great at assembling things). The sense of openness and depth was big enough that my wife who doesnt care about mixing at all could hear the difference