电磁式内含驱动线路蜂鸣器

	9毫米磁声换能器， 3V 9mm magnetic sound transducer, 3V, spring terminals

	9毫米磁声换能器， 5V的，印刷电路板贴装 9mm magnetic sound transducer, 5V, PCB mount

	9毫米磁声换能器， 3V的，印刷电路板贴装 9mm magnetic sound transducer, 3V, PCB mount

	12毫米磁性声音传感器或1.5V ，电路板贴装 12mm magnetic sound transducer, 1.5V, PCB Mount

	12毫米声磁传感器/方港口或1.5V ，电路板贴装 12mm magnetic sound transducer w/ side port, 1.5V, PCB Mount

	12毫米磁声换能器， 5V的， PC安装密封-无铅 12mm magnetic sound transducer, 5V, pc mount, sealed - lead free