Speakers are audio output devices that convert electrical audio signals into sound you can hear. They’re used everywhere—from phones and laptops to home theaters, studios, and public address systems.
They work by sending an electrical signal to a driver (usually a cone or diaphragm), which vibrates and moves air to produce sound waves. Different drivers handle different frequencies: woofers for bass, midrange drivers for vocals, and tweeters for high frequencies.
Speakers come in many types, including passive speakers (require an external amplifier) and active speakers (have a built-in amplifier). Common applications include music playback, home entertainment, professional audio, gaming, and public announcements. Sound quality depends on factors like driver size, enclosure design, power handling, and frequency response.