This Module is currently available.
Two part microphone pre-amp
The face of Listen is available in Gold or Copper (see images). Copper will oxidize over time and after being touched, Gold will not.
A simple module which offers two individual mic amplifiers with 3.5mm input, 3.5mm output and level control with power light. Use this to amplify mics, contact mics or boost lower level signals. Pairing with Synesthesia adds a new level of tactility and performance.
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These merchants probably sell this module. Huh?