A stereo receiver is an electronic device that combines multiple functions for audio playback. It typically includes a radio tuner, an amplifier, and inputs for various audio sources like CD players, turntables, and streaming devices. The receiver processes audio signals and amplifies them to drive speakers, providing a richer sound experience. In addition to audio playback, many modern stereo receivers offer features such as Bluetooth connectivity, allowing users to stream music wirelessly from their smartphones or tablets. Some models also support surround sound formats, enhancing the listening experience for movies and games.