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Receivers are central components in audio systems, responsible for receiving and processing audio signals from various sources before amplifying and transmitting them to speakers. In an electronics context, receivers often integrate multiple functions such as tuning, volume control, input selection, and surround sound decoding. They serve as the hub of a home theater setup, connecting Blu-ray players, gaming consoles, cable boxes, and other devices to a single set of speakers. Receivers can support different types of audio equipment, including headphones for personal listening. Key features of receivers include power output, connectivity options, and sound quality, making them essential for delivering high-quality audio experiences in both stereo and multichannel configurations.