Used a speaker from a broken chromebook and a few crocodile clips so I could hear the motherboards beep codes. Figured out it was bad memory! : r/techsupportmacgyver
2pcs Mini Plug Speaker For PC Computer Motherboard Buzzer Beep Alarm SS*oa | eBay
5pcs Motherboard Speaker Buzzer Pc Computer Motherboard Internal Beep Buzzer For Computer Repair | Fruugo FR
5pcs Motherboard Speaker Buzzer Pc Computer Motherboard Internal Beep Buzzer For Computer Repair | Fruugo FR
Why Does My Bluetooth Speaker Keep Beeping | Nucoustics
10PCS PC Case Buzzer BIOS Beep Alarm Beep Speaker DIY Computer Motherboard Onboard Case Buzzer for PC Interanal - AliExpress