DIY audio amplifiers circuit diagram electronics projects and other related audio projects like : power amplifiers, audio systems, audio filters, vu meters, tone control, audio equalizers and more .
Using LM384 and few common electronic components can be made a very simple 2 way intercom system which can be used in a duplex communication system. The LM384 2 way intercom system circuit consists of an amplifier, a double switch with two positions and two speakers: one for the main station (master) and one for secondary (slave).