Z

The nominal impedance of a driver

Zero Bit Detection

A circuit in a D/A converter that monitors the digital audio bit stream. upon encountering all bits low, or zero bits, the output of the D/A is disconnected from the preamp. This improves the signal-to-noise ratio specification.

Zero Output

The absence of output signal or output power.

Zone

The specific area of the security system's coverage or a term used to describe a specific trigger input.