Project on Spy Ear - 9393 Words
INTRODUCTION, CIRCIT DIAGRAM AND WORKING
Spy ear is the devices which converts low power audio signal to high power signal and gain. It can be used in Theaters , Concert halls, Lecture rooms, Trains, Court houses, Conference rooms, Embassies, Gaming facilities, Recording studios, Aircraft , railways ,bus station etc.With this sound amplifier, you can now hear things crystal clear that you could never hear before. Spy ear is very easy to use, just put the...
9,393 Words | 40 Pages