Advanced Acoustic Technology Corp. (AATC) Micro-Speakers offer a 110Hz to 20kHz frequency range, 72dB to 121dBA sound pressure level, and up to 100Ω impedance rating. These speakers come in circle, oval, rectangle, or square varieties and feature diameters from 10mm to 98mm. AATC Micro-Speakers are good at playing out multi-tone audio content, such as human voice and music.
- 110Hz to 20kHz frequency range
- 72dB to 121dBA sound pressure level
- Up to 100Ω impedance
- 10mm to 98mm diameters are available
more information: https://www.aatc.tw/index.php?lang=en