Audio output devices are hardware components that convert electrical signals into sound. Common examples include speakers, headphones, and earbuds. These devices allow users to hear music, dialogue, and other audio content from various sources like computers, smartphones, and televisions. Most audio output devices connect through wired or wireless methods. Wired devices typically use audio jacks or USB connections, while wireless options often rely on Bluetooth technology. The quality of sound produced can vary based on the device's design and specifications, impacting the overall listening experience.