DIY Super Big Ear Amp Soldering Practice Electrical Engineering Kit inputs protected to +/-20 volts

inputs protected to +/-20 volts

Made of high-impact plastic

and storm flap provide comfort and help protect against splashes and dust

Great force table for accurate study of forces

such as jumpers

DIY Super Big Ear Amp Soldering Practice Electrical Engineering Kit inputs protected to +/-20 voltsNOTE: Speaker Headphones not included. 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. Assembly with a soldering iron is required (solder and soldering iron are not included). Power requirement 6 to 12v DC. Size: 1. 75" x 1".