Amazon.co.jp: Myoffice Computer Buzzer Motherboard Beep Speaker Plastic Buzzer Unit for PC Motherboard : Computers
Amazon.co.jp: 10 PC Motherboard Speakers, Mainboard Case Beep Buzzer Speakers, Computer Repair Parts, Flexible and Durable, Loud Clear Beeps and Alarm for Desktop PC Computer : Computers
20 Pcs PC Motherboard Mini Speaker DIY Internal Code Mini Plug Buzzer