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9V Battery to 3.5mm Phone Connector Adapter
Adapter for powering your Business Card Sequencer or Synthesizer from a 9-volt battery.
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Jacklight 3.5mm Red/Blue Test LED
Small and super-handy, Jacklights give you instant visual indication of what your signals are doing. Plug them into any of your modular synthesizer's output jacks and see the amplitude (brightness) and polarity (color) of the signal.