[Nathan] sent in his speaker microphone project ... It’s built around a dual coil 6.5 inch subwoofer. The passive circuit design allows the coils in the speaker to be configured for differing ...

An electronic circuit or stand-alone device that boosts microphone input. A mic preamp is used to adjust the volume of the signal sent to powered speakers or an amplifier. Unlike a phono preamp ...

The sound from an individual speaker will reach each microphone at different times. Thus, the greater distance between microphones makes it easier to triangulate that person’s location and ...