Electronix Express

DIY Super Big Ear Amp Soldering Practice Electrical Engineering Kit

SKU: 31ERAA1

  • Sale
  • Regular price $10.50


Listen through walls, hear conversations across the room. Add a parabolic reflector and hear blocks away. The Big Ear can be hidden about anywhere. Makes an ultra sensitive intercom. Can also be used as a 1.5W AMP. We supply a mini-electret mike in the kit.

  • Power requirement 6 to 12v DC.
  • Size: 1.75" x 1"