A speaker is an audio output device that converts electrical signals into sound waves. It is widely used in multimedia applications, alarms, and voice announcements.
Specifications
- Type: Passive or Active (depends on model).
- Power Rating: Typically 0.5W–5W.
- Impedance: 4Ω or 8Ω.
- Frequency Range: ~20Hz to 20kHz.
- Size: Varies (e.g., 2-inch, 3-inch).
- Input Voltage: 3V–12V (common for small speakers).
