Soberton Inc. AUDIO MAGNETIC XDCR 2-4V SMD ST-025BLA (Pack of 2000): Amazon.com: Industrial & Scientific
2Pcs DC 1-25V 12mm x 12mm x 3mm SMD Electromagnetic Passive Buzzer Black by Uptell: Amazon.com: Industrial & Scientific
Amazon.com: BNYZWOT Active Piezo Buzzer 90 db with Industrial Audio Inside 2-Wire Leads Electric Alarmer DC 3-24V 10Pcs : Electronics
IIVVERR 2Pcs DC 2-5V 8mm x 8mm x 3mm SMD Electromagnetic Passive Buzzer Black (2Pcs DC 2-5V 8mm x 8mm x 3mm SMD Electromagnetic Passive Buzzer Black - - Amazon.com
Amazon.com : uxcell 5 Pcs 2 Terminal Industrial Piezo Electronic Alarm Active Buzzer Black : Electronics