This is a KIT SOLDERING and ASSEMBLE is required
AA-1 AUDIO AMPLIFIER KIT
Listen through walls, hear conversations across the room.
Add a parabolic reflector and hear blocks away.
The BIG EAR Amp. can be hidden about anywhere.
Makes an ultra sensitive intercom.
Can be used as a 1.5W AMP.
We supply a mini-electret mike in the kit.
You supply the speaker or earbuds for output.
Power requirement 6 to 12v DC.
PC Board SIZE: 1" x 2"