The JVC RX-778 V is a home theater audio/video control receiver designed to support various audio formats and connectivity options. It is equipped with a range of features aimed at delivering a robust audio experience. The receiver supports Dolby Pro Logic and features multiple speaker outputs for a surround sound setup. Users have reported issues with sound output, particularly regarding the performance of the surround sound feature and digital audio input. This receiver is recognized for its compatibility with multiple devices and its ability to provide stereo sound when configured correctly. However, some users have faced challenges with the digital audio components failing over time, leading to limited sound output in certain configurations. Its design reflects the typical layout of consumer AV receivers from its era, providing access to various settings through an on-screen menu.