Many amplifiers now have a built-in _______ to protect themselves from severe clipping and overdriving of the audio signal.
To avoid power and grounding issues, any audio cable longer than 15 feet (4.6 meters) should use _______.
When training a customer on the operation of a touch panel interface, an example that the GUI is a good design that meets the customer's needs:
Single-mode fiber-optic cables can transmit AV signals up to a distance of before quality is compromised.