PROJECTS UNLIMITED
压电型蜂鸣器, 连续
KINGSTATE
Transducer, Magnetic, 3 VDC, 80 mA, 97 dB, 2.73 kHz
电声转换器, 压电型
PRO SIGNAL
蜂鸣器, PIEZO, PANEL
电磁蜂鸣器, SMD