AVR is an acronym that stands for Audio Video Receiver, which typically refers to a device that combines various audio and video components to provide a unified entertainment experience. However, there are several synonyms that can be used to describe this type of device. For example, it may also be referred to as an amplifier, a stereo receiver, or a home theater receiver. There are also variations on the term, such as AV controller or AV processor, which highlight the device's ability to manage multiple audio and video sources. Whatever term is used, the AVR is an essential component for any home entertainment setup, providing superior sound and picture quality for a variety of media.