Compact 28mm Design28mm iron-cased speaker with 8 ohm impedance; 2 watt power handling for small-scale audio applications; Extended Frequency Response0 to 20kHz operating range ensures clear sound reproduction across wide audio spectrum; Plug-and-Play CompatibilityNo external drivers needed; easily integrates with Arduino and Raspberry Pi for quick prototyping; Durable Mylar DiaphragmMylar cone construction provides consistent sound quality and long-term reliability in consumer electronics; Stable Output Performance100±3dB sound pressure level; suitable for toys, advertising machines, and smart home devices