• Ultra-low cost and small footprint
  • Accepts 8 or 16 balanced inputs
  • DB-25 (D-SUB) input connectors
  • Balanced, microphone-level outputs
  • XLR output jacks
  • Neoprene foam pad for desktop use


More Info on the unit at DIYRE


SB2 Manual

SB2 Passive Summing Mixer Kit

Excluding Sales Tax
  • 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 mixes.

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