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Loudspeaker is a built-in audio output component in mobile phones and other electronic devices that converts electrical signals into audible sound without the need for headphones. It enables hands-free calling, speakerphone functionality, alarms, ringtones, media playback, and voice assistant responses. Loudspeakers in smartphones are typically small but engineered for clarity and volume, often located at the bottom edge, rear panel, or within the earpiece. Some devices feature stereo loudspeakers for enhanced sound quality. While not a substitute for high-end audio systems, loudspeakers provide convenient, on-the-go sound output for personal and communication use.
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